2100204104 has 8 divisors (see below), whose sum is σ = 3937882710. Its totient is φ = 1050102048.

The previous prime is 2100204091. The next prime is 2100204143. The reversal of 2100204104 is 4014020012.

It can be written as a sum of positive squares in only one way, i.e., 2085748900 + 14455204 = 45670^2 + 3802^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131262749 + ... + 131262764.

Almost surely, 2^2100204104 is an apocalyptic number.

It is an amenable number.

2100204104 is a deficient number, since it is larger than the sum of its proper divisors (1837678606).

2100204104 is a wasteful number, since it uses less digits than its factorization.

2100204104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262525519 (or 262525515 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2100204104 is about 45827.9838526636. The cubic root of 2100204104 is about 1280.6206511562.

Adding to 2100204104 its reverse (4014020012), we get a palindrome (6114224116).

The spelling of 2100204104 in words is "two billion, one hundred million, two hundred four thousand, one hundred four".