111222222199 has 6 divisors (see below), whose sum is σ = 122252525360. Its totient is φ = 101111110980.

The previous prime is 111222222197. The next prime is 111222222217. The reversal of 111222222199 is 991222222111.

It is a happy number.

It is not a de Polignac number, because 111222222199 - 2¹ = 111222222197 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 (111222222191) 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 5 ways as a sum of consecutive naturals, for example, 459595839 + ... + 459596080.

Almost surely, 2^111222222199 is an apocalyptic number.

111222222199 is a deficient number, since it is larger than the sum of its proper divisors (11030303161).

111222222199 is an equidigital number, since it uses as much as digits as its factorization.

111222222199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919191941 (or 919191930 counting only the distinct ones).

The product of its digits is 5184, while the sum is 34.

The spelling of 111222222199 in words is "one hundred eleven billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred ninety-nine".