999010100111 has 4 divisors (see below), whose sum is σ = 999012126000. Its totient is φ = 999008074224.

The previous prime is 999010100083. The next prime is 999010100113. The reversal of 999010100111 is 111001010999.

999010100111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-999010100111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999010100113) 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, 259790 + ... + 1437188.

It is an arithmetic number, because the mean of its divisors is an integer number (249753031500).

Almost surely, 2^999010100111 is an apocalyptic number.

999010100111 is a deficient number, since it is larger than the sum of its proper divisors (2025889).

999010100111 is a wasteful number, since it uses less digits than its factorization.

999010100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2025888.

The product of its (nonzero) digits is 729, while the sum is 32.

The spelling of 999010100111 in words is "nine hundred ninety-nine billion, ten million, one hundred thousand, one hundred eleven".