990100099011 has 4 divisors (see below), whose sum is σ = 1320133465352. Its totient is φ = 660066732672.

The previous prime is 990100098983. The next prime is 990100099031. The reversal of 990100099011 is 110990001099.

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

It is not a de Polignac number, because 990100099011 - 2²⁹ = 989563228099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (990100099031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165016683166 + ... + 165016683171.

It is an arithmetic number, because the mean of its divisors is an integer number (330033366338).

Almost surely, 2^990100099011 is an apocalyptic number.

990100099011 is a deficient number, since it is larger than the sum of its proper divisors (330033366341).

990100099011 is a wasteful number, since it uses less digits than its factorization.

990100099011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330033366340.

The product of its (nonzero) digits is 6561, while the sum is 39.

The spelling of 990100099011 in words is "nine hundred ninety billion, one hundred million, ninety-nine thousand, eleven".