202210222200021 has 96 divisors (see below), whose sum is σ = 340255281400320. Its totient is φ = 113342120640000.

The previous prime is 202210222200001. The next prime is 202210222200043. The reversal of 202210222200021 is 120002222012202.

202210222200021 is a `hidden beast` number, since 2 + 0 + 221 + 0 + 222 + 200 + 0 + 21 = 666.

It is not a de Polignac number, because 202210222200021 - 2¹⁷ = 202210222068949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 202210222199967 and 202210222200003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202210222200001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 358101135 + ... + 358665363.

It is an arithmetic number, because the mean of its divisors is an integer number (3544325847920).

Almost surely, 2^{202210222200021} is an apocalyptic number.

202210222200021 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

202210222200021 is a deficient number, since it is larger than the sum of its proper divisors (138045059200299).

202210222200021 is a wasteful number, since it uses less digits than its factorization.

202210222200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564867 (or 564864 counting only the distinct ones).

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

Adding to 202210222200021 its reverse (120002222012202), we get a palindrome (322212444212223).

The spelling of 202210222200021 in words is "two hundred two trillion, two hundred ten billion, two hundred twenty-two million, two hundred thousand, twenty-one".