22200021220999 has 4 divisors (see below), whose sum is σ = 22221764631640. Its totient is φ = 22178277810360.

The previous prime is 22200021220991. The next prime is 22200021221009. The reversal of 22200021220999 is 99902212000222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22200021220999 - 2³ = 22200021220991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200021220991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10871703789 + ... + 10871705830.

It is an arithmetic number, because the mean of its divisors is an integer number (5555441157910).

Almost surely, 2^{22200021220999} is an apocalyptic number.

22200021220999 is a deficient number, since it is larger than the sum of its proper divisors (21743410641).

22200021220999 is a wasteful number, since it uses less digits than its factorization.

22200021220999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21743410640.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 22200021220999 in words is "twenty-two trillion, two hundred billion, twenty-one million, two hundred twenty thousand, nine hundred ninety-nine".