231222001232110 has 128 divisors (see below), whose sum is σ = 486423163699200. Its totient is φ = 77501691146880.

The previous prime is 231222001232093. The next prime is 231222001232137. The reversal of 231222001232110 is 11232100222132.

It is a super-2 number, since 2×231222001232110² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4681435515 + ... + 4681484905.

It is an arithmetic number, because the mean of its divisors is an integer number (3800180966400).

Almost surely, 2^{231222001232110} is an apocalyptic number.

231222001232110 is an abundant number, since it is smaller than the sum of its proper divisors (255201162467090).

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

231222001232110 is a wasteful number, since it uses less digits than its factorization.

231222001232110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57806.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 231222001232110 its reverse (11232100222132), we get a palindrome (242454101454242).

The spelling of 231222001232110 in words is "two hundred thirty-one trillion, two hundred twenty-two billion, one million, two hundred thirty-two thousand, one hundred ten".