22113131232000 has 144 divisors (see below), whose sum is σ = 73448765705952. Its totient is φ = 5896834969600.

The previous prime is 22113131231999. The next prime is 22113131232013. The reversal of 22113131232000 is 23213131122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115076559 + ... + 115268558.

It is an arithmetic number, because the mean of its divisors is an integer number (510060872958).

Almost surely, 2^{22113131232000} is an apocalyptic number.

22113131232000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22113131232000 is an abundant number, since it is smaller than the sum of its proper divisors (51335634473952).

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

22113131232000 is an equidigital number, since it uses as much as digits as its factorization.

22113131232000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230345151 (or 230345127 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 22113131232000 its reverse (23213131122), we get a palindrome (22136344363122).

The spelling of 22113131232000 in words is "twenty-two trillion, one hundred thirteen billion, one hundred thirty-one million, two hundred thirty-two thousand".