200102102009 has 16 divisors (see below), whose sum is σ = 206022960000. Its totient is φ = 194277208320.

The previous prime is 200102101981. The next prime is 200102102029. The reversal of 200102102009 is 900201201002.

It is a cyclic number.

It is not a de Polignac number, because 200102102009 - 2³⁶ = 131382625273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200102102029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1950017 + ... + 2050065.

It is an arithmetic number, because the mean of its divisors is an integer number (12876435000).

Almost surely, 2^200102102009 is an apocalyptic number.

It is an amenable number.

200102102009 is a deficient number, since it is larger than the sum of its proper divisors (5920857991).

200102102009 is a wasteful number, since it uses less digits than its factorization.

200102102009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100528.

The product of its (nonzero) digits is 72, while the sum is 17.

The spelling of 200102102009 in words is "two hundred billion, one hundred two million, one hundred two thousand, nine".