2101585204 has 12 divisors (see below), whose sum is σ = 3678343200. Its totient is φ = 1050630008.

The previous prime is 2101585183. The next prime is 2101585229. The reversal of 2101585204 is 4025851012.

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, 8794 + ... + 65425.

It is an arithmetic number, because the mean of its divisors is an integer number (306528600).

Almost surely, 2^2101585204 is an apocalyptic number.

It is an amenable number.

2101585204 is a deficient number, since it is larger than the sum of its proper divisors (1576757996).

2101585204 is a wasteful number, since it uses less digits than its factorization.

2101585204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81302 (or 81300 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 2101585204 is about 45843.0496804041. The cubic root of 2101585204 is about 1280.9013028678.

The spelling of 2101585204 in words is "two billion, one hundred one million, five hundred eighty-five thousand, two hundred four".