210100112021200 has 30 divisors (see below), whose sum is σ = 504765519131894. Its totient is φ = 84040044808320.

The previous prime is 210100112021171. The next prime is 210100112021263. The reversal of 210100112021200 is 2120211001012.

It can be written as a sum of positive squares in 3 ways, for example, as 46887324994624 + 163212787026576 = 6847432^2 + 12775476^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 262625139627 + ... + 262625140426.

Almost surely, 2^{210100112021200} is an apocalyptic number.

210100112021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210100112021200 is an abundant number, since it is smaller than the sum of its proper divisors (294665407110694).

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

210100112021200 is a wasteful number, since it uses less digits than its factorization.

210100112021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525250280071 (or 525250280060 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 210100112021200 its reverse (2120211001012), we get a palindrome (212220323022212).

The spelling of 210100112021200 in words is "two hundred ten trillion, one hundred billion, one hundred twelve million, twenty-one thousand, two hundred".