2100202101010 has 16 divisors (see below), whose sum is σ = 4071160996056. Its totient is φ = 775459237248.

The previous prime is 2100202100963. The next prime is 2100202101043. The reversal of 2100202101010 is 101012020012.

It can be written as a sum of positive squares in 4 ways, for example, as 852296393601 + 1247905707409 = 923199^2 + 1117097^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8077700259 + ... + 8077700518.

Almost surely, 2^{2100202101010} is an apocalyptic number.

2100202101010 is a deficient number, since it is larger than the sum of its proper divisors (1970958895046).

2100202101010 is a wasteful number, since it uses less digits than its factorization.

2100202101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16155400797.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 2100202101010 its reverse (101012020012), we get a palindrome (2201214121022).

The spelling of 2100202101010 in words is "two trillion, one hundred billion, two hundred two million, one hundred one thousand, ten".