10011100999 has 4 divisors (see below), whose sum is σ = 10027432936. Its totient is φ = 9994769064.

The previous prime is 10011100997. The next prime is 10011101011. The reversal of 10011100999 is 99900111001.

10011100999 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 not a de Polignac number, because 10011100999 - 2¹ = 10011100997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10011100999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011100997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8165049 + ... + 8166274.

It is an arithmetic number, because the mean of its divisors is an integer number (2506858234).

Almost surely, 2^10011100999 is an apocalyptic number.

10011100999 is a deficient number, since it is larger than the sum of its proper divisors (16331937).

10011100999 is an equidigital number, since it uses as much as digits as its factorization.

10011100999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16331936.

The product of its (nonzero) digits is 729, while the sum is 31.

The spelling of 10011100999 in words is "ten billion, eleven million, one hundred thousand, nine hundred ninety-nine".