Let's calculate 55115122 x 52121022
55115122 × 52121022 = 52121022 × (55115122)
+ 52121022 × 2 yielding 104242044
+ 52121022 × 20 that results in 1042420440
+ 52121022 × 100 resulting in 5212102200
+ 52121022 × 5000 that results in 260605110000
+ 52121022 × 10000 which equals 521210220000
+ 52121022 × 100000 that results in 5212102200000
+ 52121022 × 5000000 that equals 260605110000000
+ 52121022 × 50000000 that results in 2606051100000000

= 2872656486294684
