231120223122 has 16 divisors (see below), whose sum is σ = 463061484000. Its totient is φ = 76903234752.

The previous prime is 231120223091. The next prime is 231120223171. The reversal of 231120223122 is 221322021132.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34206247 + ... + 34213002.

It is an arithmetic number, because the mean of its divisors is an integer number (28941342750).

Almost surely, 2^231120223122 is an apocalyptic number.

231120223122 is an abundant number, since it is smaller than the sum of its proper divisors (231941260878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231120223122 is a wasteful number, since it uses less digits than its factorization.

231120223122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68419817.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 231120223122 its reverse (221322021132), we get a palindrome (452442244254).

The spelling of 231120223122 in words is "two hundred thirty-one billion, one hundred twenty million, two hundred twenty-three thousand, one hundred twenty-two".