It is 121
The greatest common factor of 21 and 121 is 1. (21 and 121 are relatively prime.)
365 + 121 + 557 = 1043
0.212 + 121 + 11 = 132.212
121 + 121
121
11x11=121 100+21=121
112 + 121 = 233
48 + 67 + 134 + 121 + 15 = 385
Ans - 2+121=123
The square root of 121 is 11 and 11 plus 49 = 60
-1.21 = -121/100 and reduces to: -1 21/100