111102112222 has 64 divisors (see below), whose sum is σ = 188153850240. Its totient is φ = 48951705600.

The previous prime is 111102112157. The next prime is 111102112243. The reversal of 111102112222 is 222211201111.

It is a junction number, because it is equal to n+sod(n) for n = 111102112196 and 111102112205.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 4257358 + ... + 4283374.

It is an arithmetic number, because the mean of its divisors is an integer number (2939903910).

Almost surely, 2^111102112222 is an apocalyptic number.

111102112222 is a deficient number, since it is larger than the sum of its proper divisors (77051738018).

111102112222 is a wasteful number, since it uses less digits than its factorization.

111102112222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26197.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111102112222 its reverse (222211201111), we get a palindrome (333313313333).

The spelling of 111102112222 in words is "one hundred eleven billion, one hundred two million, one hundred twelve thousand, two hundred twenty-two".