113211012123 has 64 divisors (see below), whose sum is σ = 188981084160. Its totient is φ = 66360189600.

The previous prime is 113211012073. The next prime is 113211012127. The reversal of 113211012123 is 321210112311.

It is not a de Polignac number, because 113211012123 - 2⁹ = 113211011611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113211012096 and 113211012105.

It is not an unprimeable number, because it can be changed into a prime (113211012127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24700090 + ... + 24704672.

It is an arithmetic number, because the mean of its divisors is an integer number (2952829440).

Almost surely, 2^113211012123 is an apocalyptic number.

113211012123 is a deficient number, since it is larger than the sum of its proper divisors (75770072037).

113211012123 is a wasteful number, since it uses less digits than its factorization.

113211012123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7317 (or 7311 counting only the distinct ones).

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

Adding to 113211012123 its reverse (321210112311), we get a palindrome (434421124434).

The spelling of 113211012123 in words is "one hundred thirteen billion, two hundred eleven million, twelve thousand, one hundred twenty-three".