No problem, we've got 2120 and 1010 to multiply
2120 × 1010 = 1010 × (2120)
+ 1010 × 0 producing 0
+ 1010 × 20 what gives us 20200
+ 1010 × 100 that results in 101000
+ 1010 × 2000 producing 2020000

= 2141200
