22100221001982 has 32 divisors (see below), whose sum is σ = 44219205561600. Its totient is φ = 7363613387520.

The previous prime is 22100221001867. The next prime is 22100221002019. The reversal of 22100221001982 is 28910012200122.

It is a congruent number.

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, 479384769 + ... + 479430867.

It is an arithmetic number, because the mean of its divisors is an integer number (1381850173800).

Almost surely, 2^{22100221001982} is an apocalyptic number.

22100221001982 is an abundant number, since it is smaller than the sum of its proper divisors (22118984559618).

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

22100221001982 is a wasteful number, since it uses less digits than its factorization.

22100221001982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78288.

The product of its (nonzero) digits is 2304, while the sum is 30.

The spelling of 22100221001982 in words is "twenty-two trillion, one hundred billion, two hundred twenty-one million, one thousand, nine hundred eighty-two".