999902111200211 has 4 divisors (see below), whose sum is σ = 999902529020952. Its totient is φ = 999901693379472.

The previous prime is 999902111200163. The next prime is 999902111200249. The reversal of 999902111200211 is 112002111209999.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999902111200211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (999902111208211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 205299866 + ... + 210113871.

It is an arithmetic number, because the mean of its divisors is an integer number (249975632255238).

Almost surely, 2^{999902111200211} is an apocalyptic number.

999902111200211 is a deficient number, since it is larger than the sum of its proper divisors (417820741).

999902111200211 is a wasteful number, since it uses less digits than its factorization.

999902111200211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417820740.

The product of its (nonzero) digits is 52488, while the sum is 47.

The spelling of 999902111200211 in words is "nine hundred ninety-nine trillion, nine hundred two billion, one hundred eleven million, two hundred thousand, two hundred eleven".