22131110232000 has 1344 divisors, whose sum is σ = 102993257023488. Its totient is φ = 4398704640000.

The previous prime is 22131110231933. The next prime is 22131110232013. The reversal of 22131110232000 is 23201113122.

22131110232000 is a `hidden beast` number, since 2 + 21 + 311 + 10 + 2 + 320 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 127425220 + ... + 127598780.

Almost surely, 2^{22131110232000} is an apocalyptic number.

22131110232000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22131110232000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51496628511744).

22131110232000 is an abundant number, since it is smaller than the sum of its proper divisors (80862146791488).

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

22131110232000 is a wasteful number, since it uses less digits than its factorization.

22131110232000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173635 (or 173612 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 22131110232000 its reverse (23201113122), we get a palindrome (22154311345122).

The spelling of 22131110232000 in words is "twenty-two trillion, one hundred thirty-one billion, one hundred ten million, two hundred thirty-two thousand".