Q: Is 12,221 a Prime Number?
A: No, 12,221 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 12221 can be evenly divided by 1 11 101 121 1,111 and 12,221, with no remainder.
Since 12,221 cannot be divided by just 1 and 12,221, it is not a prime number.