210051100125200 has 30 divisors (see below), whose sum is σ = 504647768051754. Its totient is φ = 84020440049920.

The previous prime is 210051100125193. The next prime is 210051100125211. The reversal of 210051100125200 is 2521001150012.

It can be written as a sum of positive squares in 3 ways, for example, as 893788723216 + 209157311401984 = 945404^2 + 14462272^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 262563874757 + ... + 262563875556.

Almost surely, 2^{210051100125200} is an apocalyptic number.

210051100125200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

210051100125200 is an abundant number, since it is smaller than the sum of its proper divisors (294596667926554).

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

210051100125200 is a wasteful number, since it uses less digits than its factorization.

210051100125200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525127750331 (or 525127750320 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 210051100125200 its reverse (2521001150012), we get a palindrome (212572101275212).

The spelling of 210051100125200 in words is "two hundred ten trillion, fifty-one billion, one hundred million, one hundred twenty-five thousand, two hundred".