2100200000200 has 48 divisors (see below), whose sum is σ = 4963013635860. Its totient is φ = 826308192000.

The previous prime is 2100200000161. The next prime is 2100200000221. The reversal of 2100200000200 is 20000020012.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 78235446436 + 2021964553764 = 279706^2 + 1421958^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86061571 + ... + 86085970.

Almost surely, 2^{2100200000200} is an apocalyptic number.

2100200000200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2100200000200 is an abundant number, since it is smaller than the sum of its proper divisors (2862813635660).

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

2100200000200 is a wasteful number, since it uses less digits than its factorization.

2100200000200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172147618 (or 172147609 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

Adding to 2100200000200 its reverse (20000020012), we get a palindrome (2120200020212).

The spelling of 2100200000200 in words is "two trillion, one hundred billion, two hundred million, two hundred", and thus it is an aban number.