100031112111 has 64 divisors (see below), whose sum is σ = 157640601600. Its totient is φ = 55248500736.

The previous prime is 100031112073. The next prime is 100031112121. The reversal of 100031112111 is 111211130001.

It is not a de Polignac number, because 100031112111 - 2¹⁴ = 100031095727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100031112121) 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, 16588645 + ... + 16594673.

It is an arithmetic number, because the mean of its divisors is an integer number (2463134400).

Almost surely, 2^100031112111 is an apocalyptic number.

100031112111 is a deficient number, since it is larger than the sum of its proper divisors (57609489489).

100031112111 is a wasteful number, since it uses less digits than its factorization.

100031112111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6328.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 100031112111 its reverse (111211130001), we get a palindrome (211242242112).

The spelling of 100031112111 in words is "one hundred billion, thirty-one million, one hundred twelve thousand, one hundred eleven".