10011200999 has 4 divisors (see below), whose sum is σ = 10011515136. Its totient is φ = 10010886864.

The previous prime is 10011200981. The next prime is 10011201017. The reversal of 10011200999 is 99900211001.

10011200999 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 an interprime number because it is at equal distance from previous prime (10011200981) and next prime (10011201017).

It is a cyclic number.

It is not a de Polignac number, because 10011200999 - 2²⁰ = 10010152423 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 (10011200959) 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, 103079 + ... + 175064.

It is an arithmetic number, because the mean of its divisors is an integer number (2502878784).

Almost surely, 2^10011200999 is an apocalyptic number.

10011200999 is a deficient number, since it is larger than the sum of its proper divisors (314137).

10011200999 is an equidigital number, since it uses as much as digits as its factorization.

10011200999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314136.

The product of its (nonzero) digits is 1458, while the sum is 32.

The spelling of 10011200999 in words is "ten billion, eleven million, two hundred thousand, nine hundred ninety-nine".