202101122122200 has 288 divisors, whose sum is σ = 800705399669760. Its totient is φ = 44704395590400.

The previous prime is 202101122122127. The next prime is 202101122122217. The reversal of 202101122122200 is 2221221101202.

It is a happy number.

202101122122200 is a `hidden beast` number, since 2 + 0 + 210 + 11 + 221 + 2 + 220 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 258315394 + ... + 259096593.

Almost surely, 2^{202101122122200} is an apocalyptic number.

202101122122200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202101122122200 is an abundant number, since it is smaller than the sum of its proper divisors (598604277547560).

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

202101122122200 is a wasteful number, since it uses less digits than its factorization.

202101122122200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517412047 (or 517412035 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 202101122122200 its reverse (2221221101202), we get a palindrome (204322343223402).

The spelling of 202101122122200 in words is "two hundred two trillion, one hundred one billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred".