2102002209999 has 12 divisors (see below), whose sum is σ = 3036245998656. Its totient is φ = 1401325306272.

The previous prime is 2102002209977. The next prime is 2102002210057. The reversal of 2102002209999 is 9999022002012.

2102002209999 is a `hidden beast` number, since 210 + 200 + 220 + 9 + 9 + 9 + 9 = 666.

It is not a de Polignac number, because 2102002209999 - 2⁷ = 2102002209871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102002209599) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 772162 + ... + 2190944.

It is an arithmetic number, because the mean of its divisors is an integer number (253020499888).

Almost surely, 2^{2102002209999} is an apocalyptic number.

2102002209999 is a deficient number, since it is larger than the sum of its proper divisors (934243788657).

2102002209999 is a wasteful number, since it uses less digits than its factorization.

2102002209999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583406 (or 1583403 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 45.

The spelling of 2102002209999 in words is "two trillion, one hundred two billion, two million, two hundred nine thousand, nine hundred ninety-nine".