113011122231 has 12 divisors (see below), whose sum is σ = 186558043152. Its totient is φ = 64577784096.

The previous prime is 113011122229. The next prime is 113011122239. The reversal of 113011122231 is 132221110311.

113011122231 is a `hidden beast` number, since 11 + 301 + 1 + 122 + 231 = 666.

It is not a de Polignac number, because 113011122231 - 2¹ = 113011122229 is a prime.

It is a super-2 number, since 2×113011122231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113011122239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 896913606 + ... + 896913731.

It is an arithmetic number, because the mean of its divisors is an integer number (15546503596).

Almost surely, 2^113011122231 is an apocalyptic number.

113011122231 is a deficient number, since it is larger than the sum of its proper divisors (73546920921).

113011122231 is a wasteful number, since it uses less digits than its factorization.

113011122231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1793827350 (or 1793827347 counting only the distinct ones).

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

Adding to 113011122231 its reverse (132221110311), we get a palindrome (245232232542).

The spelling of 113011122231 in words is "one hundred thirteen billion, eleven million, one hundred twenty-two thousand, two hundred thirty-one".