2100200000002 has 32 divisors (see below), whose sum is σ = 3419520632640. Its totient is φ = 961650394560.

The previous prime is 2100199999993. The next prime is 2100200000011. The reversal of 2100200000002 is 2000000020012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2100199999993) and next prime (2100200000011).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4780533 + ... + 5201335.

It is an arithmetic number, because the mean of its divisors is an integer number (106860019770).

Almost surely, 2^{2100200000002} is an apocalyptic number.

2100200000002 is a deficient number, since it is larger than the sum of its proper divisors (1319320632638).

2100200000002 is a wasteful number, since it uses less digits than its factorization.

2100200000002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422338.

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

Adding to 2100200000002 its reverse (2000000020012), we get a palindrome (4100200020014).

The spelling of 2100200000002 in words is "two trillion, one hundred billion, two hundred million, two", and thus it is an aban number.