202022200021 has 8 divisors (see below), whose sum is σ = 204116830400. Its totient is φ = 199927813248.

The previous prime is 202022200001. The next prime is 202022200027. The reversal of 202022200021 is 120002220202.

202022200021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 202022200021 - 2⁵ = 202022199989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 202022199974 and 202022200010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202022200027) 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 7 ways as a sum of consecutive naturals, for example, 1947550 + ... + 2048656.

It is an arithmetic number, because the mean of its divisors is an integer number (25514603800).

Almost surely, 2^202022200021 is an apocalyptic number.

It is an amenable number.

202022200021 is a deficient number, since it is larger than the sum of its proper divisors (2094630379).

202022200021 is a wasteful number, since it uses less digits than its factorization.

202022200021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121803.

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 202022200021 its reverse (120002220202), we get a palindrome (322024420223).

The spelling of 202022200021 in words is "two hundred two billion, twenty-two million, two hundred thousand, twenty-one".