231122001120 has 48 divisors (see below), whose sum is σ = 728034305040. Its totient is φ = 61632533504.

The previous prime is 231122001083. The next prime is 231122001151. The reversal of 231122001120 is 21100221132.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 231122001120.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 240751605 + ... + 240752564.

It is an arithmetic number, because the mean of its divisors is an integer number (15167381355).

Almost surely, 2^231122001120 is an apocalyptic number.

231122001120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231122001120 is an abundant number, since it is smaller than the sum of its proper divisors (496912303920).

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

231122001120 is a wasteful number, since it uses less digits than its factorization.

231122001120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481504187 (or 481504179 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 231122001120 its reverse (21100221132), we get a palindrome (252222222252).

The spelling of 231122001120 in words is "two hundred thirty-one billion, one hundred twenty-two million, one thousand, one hundred twenty".