210202100200 has 24 divisors (see below), whose sum is σ = 488719883430. Its totient is φ = 84080840000.

The previous prime is 210202100161. The next prime is 210202100219. The reversal of 210202100200 is 2001202012.

It can be written as a sum of positive squares in 3 ways, for example, as 193760193124 + 16441907076 = 440182^2 + 128226^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

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, 525505051 + ... + 525505450.

Almost surely, 2^210202100200 is an apocalyptic number.

210202100200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210202100200 is an abundant number, since it is smaller than the sum of its proper divisors (278517783230).

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

210202100200 is a wasteful number, since it uses less digits than its factorization.

210202100200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051010517 (or 1051010508 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 210202100200 its reverse (2001202012), we get a palindrome (212203302212).

The spelling of 210202100200 in words is "two hundred ten billion, two hundred two million, one hundred thousand, two hundred".