21022022110992 has 120 divisors (see below), whose sum is σ = 66498233349600. Its totient is φ = 5690171386368.

The previous prime is 21022022110961. The next prime is 21022022110993. The reversal of 21022022110992 is 29901122022012.

It is not an unprimeable number, because it can be changed into a prime (21022022110993) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 235164117 + ... + 235253492.

It is an arithmetic number, because the mean of its divisors is an integer number (554151944580).

Almost surely, 2^{21022022110992} is an apocalyptic number.

It is an amenable number.

21022022110992 is an abundant number, since it is smaller than the sum of its proper divisors (45476211238608).

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

21022022110992 is a wasteful number, since it uses less digits than its factorization.

21022022110992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470417653 (or 470417640 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The spelling of 21022022110992 in words is "twenty-one trillion, twenty-two billion, twenty-two million, one hundred ten thousand, nine hundred ninety-two".