2100200011002 has 24 divisors (see below), whose sum is σ = 4592960775936. Its totient is φ = 693523990536.

The previous prime is 2100200010941. The next prime is 2100200011031. The reversal of 2100200011002 is 2001100020012.

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 11 ways as a sum of consecutive naturals, for example, 545221338 + ... + 545225189.

It is an arithmetic number, because the mean of its divisors is an integer number (191373365664).

Almost surely, 2^{2100200011002} is an apocalyptic number.

2100200011002 is an abundant number, since it is smaller than the sum of its proper divisors (2492760764934).

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

2100200011002 is a wasteful number, since it uses less digits than its factorization.

2100200011002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1090446642 (or 1090446639 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 2100200011002 its reverse (2001100020012), we get a palindrome (4101300031014).

The spelling of 2100200011002 in words is "two trillion, one hundred billion, two hundred million, eleven thousand, two".