113122012311 has 96 divisors (see below), whose sum is σ = 211548879360. Its totient is φ = 56544998400.

The previous prime is 113122012207. The next prime is 113122012319. The reversal of 113122012311 is 113210221311.

113122012311 is a `hidden beast` number, since 1 + 131 + 220 + 1 + 2 + 311 = 666.

It is not a de Polignac number, because 113122012311 - 2⁹ = 113122011799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113122012319) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2046880 + ... + 2101418.

It is an arithmetic number, because the mean of its divisors is an integer number (2203634160).

Almost surely, 2^113122012311 is an apocalyptic number.

113122012311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113122012311 is a deficient number, since it is larger than the sum of its proper divisors (98426867049).

113122012311 is a wasteful number, since it uses less digits than its factorization.

113122012311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54677 (or 54674 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 113122012311 its reverse (113210221311), we get a palindrome (226332233622).

The spelling of 113122012311 in words is "one hundred thirteen billion, one hundred twenty-two million, twelve thousand, three hundred eleven".