231110111122 has 32 divisors (see below), whose sum is σ = 382543819200. Its totient is φ = 103841304000.

The previous prime is 231110111107. The next prime is 231110111149. The reversal of 231110111122 is 221111011132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 231110111096 and 231110111105.

It is an unprimeable number.

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, 1291404 + ... + 1459432.

It is an arithmetic number, because the mean of its divisors is an integer number (11954494350).

Almost surely, 2^231110111122 is an apocalyptic number.

231110111122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

231110111122 is a deficient number, since it is larger than the sum of its proper divisors (151433708078).

231110111122 is a wasteful number, since it uses less digits than its factorization.

231110111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168762.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 231110111122 its reverse (221111011132), we get a palindrome (452221122254).

The spelling of 231110111122 in words is "two hundred thirty-one billion, one hundred ten million, one hundred eleven thousand, one hundred twenty-two".