22231123120 has 40 divisors (see below), whose sum is σ = 51715931040. Its totient is φ = 8887534080.

The previous prime is 22231123081. The next prime is 22231123127. The reversal of 22231123120 is 2132113222.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (22231123127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70596 + ... + 222364.

It is an arithmetic number, because the mean of its divisors is an integer number (1292898276).

Almost surely, 2^22231123120 is an apocalyptic number.

22231123120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22231123120 is an abundant number, since it is smaller than the sum of its proper divisors (29484807920).

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

22231123120 is a wasteful number, since it uses less digits than its factorization.

22231123120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153613 (or 153607 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 22231123120 its reverse (2132113222), we get a palindrome (24363236342).

The spelling of 22231123120 in words is "twenty-two billion, two hundred thirty-one million, one hundred twenty-three thousand, one hundred twenty".