2100201994 has 16 divisors (see below), whose sum is σ = 3438288000. Its totient is φ = 954194560.

The previous prime is 2100201989. The next prime is 2100202007. The reversal of 2100201994 is 4991020012.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29007 + ... + 71005.

It is an arithmetic number, because the mean of its divisors is an integer number (214893000).

Almost surely, 2^2100201994 is an apocalyptic number.

2100201994 is a deficient number, since it is larger than the sum of its proper divisors (1338086006).

2100201994 is a wasteful number, since it uses less digits than its factorization.

2100201994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44285.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 2100201994 is about 45827.9608317891. The cubic root of 2100201994 is about 1280.6202222914.

The spelling of 2100201994 in words is "two billion, one hundred million, two hundred one thousand, nine hundred ninety-four".