111323219999 has 16 divisors (see below), whose sum is σ = 116757294720. Its totient is φ = 106050621600.

The previous prime is 111323219993. The next prime is 111323220061. The reversal of 111323219999 is 999912323111.

It is a cyclic number.

It is not a de Polignac number, because 111323219999 - 2²⁸ = 111054784543 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 (111323219993) 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 15 ways as a sum of consecutive naturals, for example, 99692 + ... + 482270.

It is an arithmetic number, because the mean of its divisors is an integer number (7297330920).

Almost surely, 2^111323219999 is an apocalyptic number.

111323219999 is a deficient number, since it is larger than the sum of its proper divisors (5434074721).

111323219999 is a wasteful number, since it uses less digits than its factorization.

111323219999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382790.

The product of its digits is 236196, while the sum is 50.

The spelling of 111323219999 in words is "one hundred eleven billion, three hundred twenty-three million, two hundred nineteen thousand, nine hundred ninety-nine".