231321111122 has 32 divisors (see below), whose sum is σ = 362823608448. Its totient is φ = 110401163136.

The previous prime is 231321110989. The next prime is 231321111157. The reversal of 231321111122 is 221111123132.

231321111122 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 231321111094 and 231321111103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78332798 + ... + 78335750.

It is an arithmetic number, because the mean of its divisors is an integer number (11338237764).

Almost surely, 2^231321111122 is an apocalyptic number.

231321111122 is a deficient number, since it is larger than the sum of its proper divisors (131502497326).

231321111122 is a wasteful number, since it uses less digits than its factorization.

231321111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5954.

The product of its digits is 144, while the sum is 20.

Adding to 231321111122 its reverse (221111123132), we get a palindrome (452432234254).

The spelling of 231321111122 in words is "two hundred thirty-one billion, three hundred twenty-one million, one hundred eleven thousand, one hundred twenty-two".