202101020022 has 16 divisors (see below), whose sum is σ = 440947680192. Its totient is φ = 61242733320.

The previous prime is 202101019993. The next prime is 202101020027. The reversal of 202101020022 is 220020101202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202101020027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1531068268 + ... + 1531068399.

It is an arithmetic number, because the mean of its divisors is an integer number (27559230012).

Almost surely, 2^202101020022 is an apocalyptic number.

202101020022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

202101020022 is an abundant number, since it is smaller than the sum of its proper divisors (238846660170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202101020022 is a wasteful number, since it uses less digits than its factorization.

202101020022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062136683.

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 202101020022 its reverse (220020101202), we get a palindrome (422121121224).

The spelling of 202101020022 in words is "two hundred two billion, one hundred one million, twenty thousand, twenty-two".