111310111023 has 32 divisors (see below), whose sum is σ = 153167404992. Its totient is φ = 71850240000.

The previous prime is 111310111021. The next prime is 111310111027. The reversal of 111310111023 is 320111013111.

It is not a de Polignac number, because 111310111023 - 2¹ = 111310111021 is a prime.

It is a super-2 number, since 2×111310111023² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111310110993 and 111310111011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111310111021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20231773 + ... + 20237273.

It is an arithmetic number, because the mean of its divisors is an integer number (4786481406).

Almost surely, 2^111310111023 is an apocalyptic number.

111310111023 is a deficient number, since it is larger than the sum of its proper divisors (41857293969).

111310111023 is a wasteful number, since it uses less digits than its factorization.

111310111023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6395.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 111310111023 its reverse (320111013111), we get a palindrome (431421124134).

The spelling of 111310111023 in words is "one hundred eleven billion, three hundred ten million, one hundred eleven thousand, twenty-three".