2100012100304 has 20 divisors (see below), whose sum is σ = 4178740295364. Its totient is φ = 1021627507968.

The previous prime is 2100012100297. The next prime is 2100012100337. The reversal of 2100012100304 is 4030012100012.

It can be written as a sum of positive squares in 2 ways, for example, as 1006105290304 + 1093906810000 = 1003048^2 + 1045900^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1773658277 + ... + 1773659460.

Almost surely, 2^{2100012100304} is an apocalyptic number.

It is an amenable number.

2100012100304 is a deficient number, since it is larger than the sum of its proper divisors (2078728195060).

2100012100304 is a wasteful number, since it uses less digits than its factorization.

2100012100304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3547317782 (or 3547317776 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 2100012100304 its reverse (4030012100012), we get a palindrome (6130024200316).

The spelling of 2100012100304 in words is "two trillion, one hundred billion, twelve million, one hundred thousand, three hundred four".