201022122200 has 48 divisors (see below), whose sum is σ = 469798163880. Its totient is φ = 79992207360.

The previous prime is 201022122179. The next prime is 201022122221. The reversal of 201022122200 is 2221220102.

It is an interprime number because it is at equal distance from previous prime (201022122179) and next prime (201022122221).

It is a super-2 number, since 2×201022122200² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2565314 + ... + 2642513.

Almost surely, 2^201022122200 is an apocalyptic number.

201022122200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201022122200 is an abundant number, since it is smaller than the sum of its proper divisors (268776041680).

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

201022122200 is a wasteful number, since it uses less digits than its factorization.

201022122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5208036 (or 5208027 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 201022122200 its reverse (2221220102), we get a palindrome (203243342302).

The spelling of 201022122200 in words is "two hundred one billion, twenty-two million, one hundred twenty-two thousand, two hundred".