2100000021010 has 16 divisors (see below), whose sum is σ = 3781616155200. Its totient is φ = 839640871216.

The previous prime is 2100000020999. The next prime is 2100000021023. The reversal of 2100000021010 is 101200000012.

It is a junction number, because it is equal to n+sod(n) for n = 2100000020984 and 2100000021002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44867590 + ... + 44914369.

It is an arithmetic number, because the mean of its divisors is an integer number (236351009700).

Almost surely, 2^{2100000021010} is an apocalyptic number.

2100000021010 is a deficient number, since it is larger than the sum of its proper divisors (1681616134190).

2100000021010 is a wasteful number, since it uses less digits than its factorization.

2100000021010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89784305.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 2100000021010 its reverse (101200000012), we get a palindrome (2201200021022).

The spelling of 2100000021010 in words is "two trillion, one hundred billion, twenty-one thousand, ten".