1113231102121 has 2 divisors, whose sum is σ = 1113231102122. Its totient is φ = 1113231102120.

The previous prime is 1113231102091. The next prime is 1113231102127. The reversal of 1113231102121 is 1212011323111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 654746378896 + 458484723225 = 809164^2 + 677115^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113231102121 - 2⁵ = 1113231102089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1113231102127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556615551060 + 556615551061.

It is an arithmetic number, because the mean of its divisors is an integer number (556615551061).

Almost surely, 2^{1113231102121} is an apocalyptic number.

It is an amenable number.

1113231102121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113231102121 is an equidigital number, since it uses as much as digits as its factorization.

1113231102121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1113231102121 its reverse (1212011323111), we get a palindrome (2325242425232).

The spelling of 1113231102121 in words is "one trillion, one hundred thirteen billion, two hundred thirty-one million, one hundred two thousand, one hundred twenty-one".