999900111102 has 16 divisors (see below), whose sum is σ = 2086748058240. Its totient is φ = 318808731032.

The previous prime is 999900111029. The next prime is 999900111113. The reversal of 999900111102 is 201111009999.

It is a congruent 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, 3622826352 + ... + 3622826627.

It is an arithmetic number, because the mean of its divisors is an integer number (130421753640).

Almost surely, 2^999900111102 is an apocalyptic number.

999900111102 is an abundant number, since it is smaller than the sum of its proper divisors (1086847947138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999900111102 is a wasteful number, since it uses less digits than its factorization.

999900111102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7245653007.

The product of its (nonzero) digits is 13122, while the sum is 42.

The spelling of 999900111102 in words is "nine hundred ninety-nine billion, nine hundred million, one hundred eleven thousand, one hundred two".