91211 ÷ 9 = 10134 R5
No problem, we've got 91211 and 9 for the division.

Step 1:
9 goes into 9 1 times with a remainder of 0.
Write down 1 as next digit of of the result. 
Result so far: 1
Subtract 9 from 9 to get 0.
Bring next digit (1) of the dividend behind the 0 and repeat the process: 1 / 9

Step 2:
9 goes into 1 0 times with a remainder of 1.
Write down 0 as next digit of of the result. 
Result so far: 10
Subtract 0 from 1 to get 1.
Bring next digit (2) of the dividend behind the 1 and repeat the process: 12 / 9

Step 3:
9 goes into 12 1 times with a remainder of 3.
Write down 1 as next digit of of the result. 
Result so far: 101
Subtract 9 from 12 to get 3.
Bring next digit (1) of the dividend behind the 3 and repeat the process: 31 / 9

Step 4:
9 goes into 31 3 times with a remainder of 4.
Write down 3 as next digit of of the result. 
Result so far: 1013
Subtract 27 from 31 to get 4.
Bring next digit (1) of the dividend behind the 4 and repeat the process: 41 / 9

Step 5:
9 goes into 41 4 times with a remainder of 5.
Write down 4 as next digit of of the result. 
Result so far: 10134
Subtract 36 from 41 to get 5.

The final result is 10134 with a remainder of 5.