231112133332222 has 4 divisors (see below), whose sum is σ = 346668199998336. Its totient is φ = 115556066666110.

The previous prime is 231112133332139. The next prime is 231112133332237. The reversal of 231112133332222 is 222233331211132.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57778033333054 + ... + 57778033333057.

It is an arithmetic number, because the mean of its divisors is an integer number (86667049999584).

Almost surely, 2^{231112133332222} is an apocalyptic number.

231112133332222 is a deficient number, since it is larger than the sum of its proper divisors (115556066666114).

231112133332222 is a wasteful number, since it uses less digits than its factorization.

231112133332222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115556066666113.

The product of its digits is 15552, while the sum is 31.

Adding to 231112133332222 its reverse (222233331211132), we get a palindrome (453345464543354).

The spelling of 231112133332222 in words is "two hundred thirty-one trillion, one hundred twelve billion, one hundred thirty-three million, three hundred thirty-two thousand, two hundred twenty-two".