111102400324031 has 4 divisors (see below), whose sum is σ = 113198672028312. Its totient is φ = 109006128619752.

The previous prime is 111102400324001. The next prime is 111102400324049. The reversal of 111102400324031 is 130423004201111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111102400324031 - 2²² = 111102396129727 is a prime.

It is a super-2 number, since 2×111102400324031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111102400323988 and 111102400324006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111102400324001) 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 3 ways as a sum of consecutive naturals, for example, 1048135852061 + ... + 1048135852166.

It is an arithmetic number, because the mean of its divisors is an integer number (28299668007078).

Almost surely, 2^{111102400324031} is an apocalyptic number.

111102400324031 is a deficient number, since it is larger than the sum of its proper divisors (2096271704281).

111102400324031 is an equidigital number, since it uses as much as digits as its factorization.

111102400324031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096271704280.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 111102400324031 its reverse (130423004201111), we get a palindrome (241525404525142).

The spelling of 111102400324031 in words is "one hundred eleven trillion, one hundred two billion, four hundred million, three hundred twenty-four thousand, thirty-one".