10011109999 has 4 divisors (see below), whose sum is σ = 10921210920. Its totient is φ = 9101009080.

The previous prime is 10011109987. The next prime is 10011110003. The reversal of 10011109999 is 99990111001.

10011109999 is digitally balanced in base 3, 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 not a de Polignac number, because 10011109999 - 2²⁹ = 9474239087 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 (10011109939) 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, 455050444 + ... + 455050465.

It is an arithmetic number, because the mean of its divisors is an integer number (2730302730).

Almost surely, 2^10011109999 is an apocalyptic number.

10011109999 is a deficient number, since it is larger than the sum of its proper divisors (910100921).

10011109999 is an equidigital number, since it uses as much as digits as its factorization.

10011109999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910100920.

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

The spelling of 10011109999 in words is "ten billion, eleven million, one hundred nine thousand, nine hundred ninety-nine".