202102202112200 has 96 divisors (see below), whose sum is σ = 506074511736360. Its totient is φ = 74616203673600.

The previous prime is 202102202112199. The next prime is 202102202112229. The reversal of 202102202112200 is 2211202201202.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 30752060066116 + 171350142046084 = 5545454^2 + 13090078^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28422662 + ... + 34814538.

Almost surely, 2^{202102202112200} is an apocalyptic number.

202102202112200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202102202112200 is an abundant number, since it is smaller than the sum of its proper divisors (303972309624160).

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

202102202112200 is a wasteful number, since it uses less digits than its factorization.

202102202112200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6404067 (or 6404058 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202102202112200 its reverse (2211202201202), we get a palindrome (204313404313402).

The spelling of 202102202112200 in words is "two hundred two trillion, one hundred two billion, two hundred two million, one hundred twelve thousand, two hundred".