111124424431023 has 16 divisors (see below), whose sum is σ = 150041901081600. Its totient is φ = 73144954752480.

The previous prime is 111124424431021. The next prime is 111124424431067. The reversal of 111124424431023 is 320134424421111.

It is not a de Polignac number, because 111124424431023 - 2¹ = 111124424431021 is a prime.

It is a super-2 number, since 2×111124424431023² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111124424431021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102553438 + ... + 103631348.

It is an arithmetic number, because the mean of its divisors is an integer number (9377618817600).

Almost surely, 2^{111124424431023} is an apocalyptic number.

111124424431023 is a deficient number, since it is larger than the sum of its proper divisors (38917476650577).

111124424431023 is a wasteful number, since it uses less digits than its factorization.

111124424431023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1512982.

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 111124424431023 its reverse (320134424421111), we get a palindrome (431258848852134).

The spelling of 111124424431023 in words is "one hundred eleven trillion, one hundred twenty-four billion, four hundred twenty-four million, four hundred thirty-one thousand, twenty-three".