111122219999 has 8 divisors (see below), whose sum is σ = 128892298368. Its totient is φ = 93826010520.

The previous prime is 111122219959. The next prime is 111122220017. The reversal of 111122219999 is 999912221111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111122219999 - 2²⁴ = 111105442783 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 (111122219959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118466717 + ... + 118467654.

It is an arithmetic number, because the mean of its divisors is an integer number (16111537296).

Almost surely, 2^111122219999 is an apocalyptic number.

111122219999 is a deficient number, since it is larger than the sum of its proper divisors (17770078369).

111122219999 is an equidigital number, since it uses as much as digits as its factorization.

111122219999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236934445.

The product of its digits is 52488, while the sum is 47.

The spelling of 111122219999 in words is "one hundred eleven billion, one hundred twenty-two million, two hundred nineteen thousand, nine hundred ninety-nine".