2100200000202 has 48 divisors (see below), whose sum is σ = 4565445563328. Its totient is φ = 697757561280.

The previous prime is 2100200000161. The next prime is 2100200000221. The reversal of 2100200000202 is 2020000020012.

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 101238243 + ... + 101258985.

It is an arithmetic number, because the mean of its divisors is an integer number (95113449236).

Almost surely, 2^{2100200000202} is an apocalyptic number.

2100200000202 is an abundant number, since it is smaller than the sum of its proper divisors (2465245563126).

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

2100200000202 is a wasteful number, since it uses less digits than its factorization.

2100200000202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39035 (or 39032 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 2100200000202 its reverse (2020000020012), we get a palindrome (4120200020214).

The spelling of 2100200000202 in words is "two trillion, one hundred billion, two hundred million, two hundred two", and thus it is an aban number.