Alright, let's work through 21902104 times 10716527 step by step
21902104 × 10716527 = 10716527 × (21902104)
+ 10716527 × 4 producing 42866108
+ 10716527 × 00 giving us 0
+ 10716527 × 100 which equals 1071652700
+ 10716527 × 2000 yielding 21433054000
+ 10716527 × 00000 that results in 0
+ 10716527 × 900000 what gives us 9644874300000
+ 10716527 × 1000000 giving us 10716527000000
+ 10716527 × 20000000 what gives us 214330540000000

= 234714488872808
