22120999759998 has 48 divisors (see below), whose sum is σ = 49196711266560. Its totient is φ = 7180944391248.

The previous prime is 22120999759867. The next prime is 22120999760047. The reversal of 22120999759998 is 89995799902122.

It is a happy number.

22120999759998 is a `hidden beast` number, since 2 + 2 + 12 + 0 + 9 + 9 + 9 + 7 + 599 + 9 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97220790 + ... + 97448057.

It is an arithmetic number, because the mean of its divisors is an integer number (1024931484720).

Almost surely, 2^{22120999759998} is an apocalyptic number.

22120999759998 is an abundant number, since it is smaller than the sum of its proper divisors (27075711506562).

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

22120999759998 is a wasteful number, since it uses less digits than its factorization.

22120999759998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194669021 (or 194669018 counting only the distinct ones).

The product of its (nonzero) digits is 1190427840, while the sum is 81.

The spelling of 22120999759998 in words is "twenty-two trillion, one hundred twenty billion, nine hundred ninety-nine million, seven hundred fifty-nine thousand, nine hundred ninety-eight".