2100010020208 has 10 divisors (see below), whose sum is σ = 4068769414184. Its totient is φ = 1050005010096.

The previous prime is 2100010020203. The next prime is 2100010020209. The reversal of 2100010020208 is 8020200100012.

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 131250626263 = 2100010020208 / (2 + 1 + 0 + 0 + 0 + 1 + 0 + 0 + 2 + 0 + 2 + 0 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 2100010020191 and 2100010020200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2100010020203) by changing a digit.

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 as a sum of consecutive naturals, namely, 65625313116 + ... + 65625313147.

Almost surely, 2^{2100010020208} is an apocalyptic number.

It is an amenable number.

2100010020208 is a deficient number, since it is larger than the sum of its proper divisors (1968759393976).

2100010020208 is a wasteful number, since it uses less digits than its factorization.

2100010020208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131250626271 (or 131250626265 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The spelling of 2100010020208 in words is "two trillion, one hundred billion, ten million, twenty thousand, two hundred eight".