2100936921588 has 72 divisors (see below), whose sum is σ = 5592296091200. Its totient is φ = 663206455296.

The previous prime is 2100936921571. The next prime is 2100936921637. The reversal of 2100936921588 is 8851296390012.

2100936921588 is a `hidden beast` number, since 2 + 1 + 0 + 0 + 9 + 36 + 9 + 21 + 588 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1268145 + ... + 2410407.

Almost surely, 2^{2100936921588} is an apocalyptic number.

It is an amenable number.

2100936921588 is an abundant number, since it is smaller than the sum of its proper divisors (3491359169612).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2100936921588 is a wasteful number, since it uses less digits than its factorization.

2100936921588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144981 (or 1144976 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 2100936921588 in words is "two trillion, one hundred billion, nine hundred thirty-six million, nine hundred twenty-one thousand, five hundred eighty-eight".