113011111012123 has 16 divisors (see below), whose sum is σ = 120071957503680. Its totient is φ = 106161399985536.

The previous prime is 113011111012057. The next prime is 113011111012147. The reversal of 113011111012123 is 321210111110311.

It is a cyclic number.

It is not a de Polignac number, because 113011111012123 - 2⁹ = 113011111011611 is a prime.

It is a super-2 number, since 2×113011111012123² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113011111012123.

It is not an unprimeable number, because it can be changed into a prime (113011111015123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28815786 + ... + 32501872.

It is an arithmetic number, because the mean of its divisors is an integer number (7504497343980).

Almost surely, 2^{113011111012123} is an apocalyptic number.

113011111012123 is a deficient number, since it is larger than the sum of its proper divisors (7060846491557).

113011111012123 is a wasteful number, since it uses less digits than its factorization.

113011111012123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3714726.

The product of its (nonzero) digits is 36, while the sum is 19.

Adding to 113011111012123 its reverse (321210111110311), we get a palindrome (434221222122434).

The spelling of 113011111012123 in words is "one hundred thirteen trillion, eleven billion, one hundred eleven million, twelve thousand, one hundred twenty-three".