10111012999 has 4 divisors (see below), whose sum is σ = 10125437400. Its totient is φ = 10096588600.

The previous prime is 10111012997. The next prime is 10111013027. The reversal of 10111012999 is 99921011101.

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 10111012999 - 2¹ = 10111012997 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 (10111012997) 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, 7211149 + ... + 7212550.

It is an arithmetic number, because the mean of its divisors is an integer number (2531359350).

Almost surely, 2^10111012999 is an apocalyptic number.

10111012999 is a deficient number, since it is larger than the sum of its proper divisors (14424401).

10111012999 is an equidigital number, since it uses as much as digits as its factorization.

10111012999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14424400.

The product of its (nonzero) digits is 1458, while the sum is 34.

The spelling of 10111012999 in words is "ten billion, one hundred eleven million, twelve thousand, nine hundred ninety-nine".