22022220201021 has 40 divisors (see below), whose sum is σ = 34333580026944. Its totient is φ = 14040754358400.

The previous prime is 22022220200993. The next prime is 22022220201073. The reversal of 22022220201021 is 12010202222022.

22022220201021 is a `hidden beast` number, since 220 + 2 + 2 + 220 + 201 + 0 + 21 = 666.

It is not a de Polignac number, because 22022220201021 - 2²⁶ = 22022153092157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22022220200985 and 22022220201003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022220701021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9922821 + ... + 11937621.

Almost surely, 2^{22022220201021} is an apocalyptic number.

It is an amenable number.

22022220201021 is a deficient number, since it is larger than the sum of its proper divisors (12311359825923).

22022220201021 is a wasteful number, since it uses less digits than its factorization.

22022220201021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020703 (or 2020694 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22022220201021 its reverse (12010202222022), we get a palindrome (34032422423043).

The spelling of 22022220201021 in words is "twenty-two trillion, twenty-two billion, two hundred twenty million, two hundred one thousand, twenty-one".