121313232312111 has 24 divisors (see below), whose sum is σ = 200287268797824. Its totient is φ = 69313485641040.

The previous prime is 121313232312079. The next prime is 121313232312113. The reversal of 121313232312111 is 111213232313121.

121313232312111 is a `hidden beast` number, since 1 + 2 + 1 + 3 + 1 + 3 + 232 + 312 + 111 = 666.

It is not a de Polignac number, because 121313232312111 - 2⁵ = 121313232312079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121313232312113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115604001 + ... + 116648666.

It is an arithmetic number, because the mean of its divisors is an integer number (8345302866576).

Almost surely, 2^{121313232312111} is an apocalyptic number.

121313232312111 is a deficient number, since it is larger than the sum of its proper divisors (78974036485713).

121313232312111 is a wasteful number, since it uses less digits than its factorization.

121313232312111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232260971 (or 232260968 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

Adding to 121313232312111 its reverse (111213232313121), we get a palindrome (232526464625232).

The spelling of 121313232312111 in words is "one hundred twenty-one trillion, three hundred thirteen billion, two hundred thirty-two million, three hundred twelve thousand, one hundred eleven".