22022200021021 has 16 divisors (see below), whose sum is σ = 22609734840000. Its totient is φ = 21437071689600.

The previous prime is 22022200020973. The next prime is 22022200021121. The reversal of 22022200021021 is 12012000222022.

It is a cyclic number.

It is not a de Polignac number, because 22022200021021 - 2²⁵ = 22022166466589 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22022200020986 and 22022200021004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022200021121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404057230 + ... + 404111728.

It is an arithmetic number, because the mean of its divisors is an integer number (1413108427500).

Almost surely, 2^{22022200021021} is an apocalyptic number.

It is an amenable number.

22022200021021 is a deficient number, since it is larger than the sum of its proper divisors (587534818979).

22022200021021 is a wasteful number, since it uses less digits than its factorization.

22022200021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76380.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22022200021021 its reverse (12012000222022), we get a palindrome (34034200243043).

The spelling of 22022200021021 in words is "twenty-two trillion, twenty-two billion, two hundred million, twenty-one thousand, twenty-one".