12111120010999 has 4 divisors (see below), whose sum is σ = 12111497607064. Its totient is φ = 12110742414936.

The previous prime is 12111120010973. The next prime is 12111120011033. The reversal of 12111120010999 is 99901002111121.

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 12111120010999 - 2¹⁵ = 12111119978231 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 (12111120010799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188749917 + ... + 188814070.

It is an arithmetic number, because the mean of its divisors is an integer number (3027874401766).

Almost surely, 2^{12111120010999} is an apocalyptic number.

12111120010999 is a deficient number, since it is larger than the sum of its proper divisors (377596065).

12111120010999 is an equidigital number, since it uses as much as digits as its factorization.

12111120010999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 377596064.

The product of its (nonzero) digits is 2916, while the sum is 37.

The spelling of 12111120010999 in words is "twelve trillion, one hundred eleven billion, one hundred twenty million, ten thousand, nine hundred ninety-nine".