2100002200002 has 48 divisors (see below), whose sum is σ = 5220239012352. Its totient is φ = 597665986560.

The previous prime is 2100002199959. The next prime is 2100002200027. The reversal of 2100002200002 is 2000022000012.

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, 32393074 + ... + 32457837.

It is an arithmetic number, because the mean of its divisors is an integer number (108754979424).

Almost surely, 2^{2100002200002} is an apocalyptic number.

2100002200002 is an abundant number, since it is smaller than the sum of its proper divisors (3120236812350).

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

2100002200002 is a wasteful number, since it uses less digits than its factorization.

2100002200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64851183 (or 64851180 counting only the distinct ones).

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

Adding to 2100002200002 its reverse (2000022000012), we get a palindrome (4100024200014).

The spelling of 2100002200002 in words is "two trillion, one hundred billion, two million, two hundred thousand, two".