110011009999 has 4 divisors (see below), whose sum is σ = 120012010920. Its totient is φ = 100010009080.

The previous prime is 110011009981. The next prime is 110011010003. The reversal of 110011009999 is 999900110011.

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

It is a cyclic number.

It is not a de Polignac number, because 110011009999 - 2²⁹ = 109474139087 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110011009699) 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, 5000500444 + ... + 5000500465.

It is an arithmetic number, because the mean of its divisors is an integer number (30003002730).

Almost surely, 2^110011009999 is an apocalyptic number.

110011009999 is a deficient number, since it is larger than the sum of its proper divisors (10001000921).

110011009999 is a wasteful number, since it uses less digits than its factorization.

110011009999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10001000920.

The product of its (nonzero) digits is 6561, while the sum is 40.

The spelling of 110011009999 in words is "one hundred ten billion, eleven million, nine thousand, nine hundred ninety-nine".