10112111231 has 4 divisors (see below), whose sum is σ = 10113660912. Its totient is φ = 10110561552.

The previous prime is 10112111189. The next prime is 10112111237. The reversal of 10112111231 is 13211121101.

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 10112111231 - 2¹⁸ = 10111849087 is a prime.

It is a super-2 number, since 2×10112111231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10112111237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 765011 + ... + 778116.

It is an arithmetic number, because the mean of its divisors is an integer number (2528415228).

Almost surely, 2^10112111231 is an apocalyptic number.

10112111231 is a deficient number, since it is larger than the sum of its proper divisors (1549681).

10112111231 is an equidigital number, since it uses as much as digits as its factorization.

10112111231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549680.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 10112111231 its reverse (13211121101), we get a palindrome (23323232332).

The spelling of 10112111231 in words is "ten billion, one hundred twelve million, one hundred eleven thousand, two hundred thirty-one".