2102056999 has 16 divisors (see below), whose sum is σ = 2457778176. Its totient is φ = 1760328000.

The previous prime is 2102056993. The next prime is 2102057017. The reversal of 2102056999 is 9996502012.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2102056999 - 2⁹ = 2102056487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102056993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192414 + ... + 203044.

It is an arithmetic number, because the mean of its divisors is an integer number (153611136).

Almost surely, 2^2102056999 is an apocalyptic number.

2102056999 is a deficient number, since it is larger than the sum of its proper divisors (355721177).

2102056999 is a wasteful number, since it uses less digits than its factorization.

2102056999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11286.

The product of its (nonzero) digits is 87480, while the sum is 43.

The square root of 2102056999 is about 45848.1951553166. The cubic root of 2102056999 is about 1280.9971476000.

The spelling of 2102056999 in words is "two billion, one hundred two million, fifty-six thousand, nine hundred ninety-nine".