111102204 has 48 divisors (see below), whose sum is σ = 267859872. Its totient is φ = 35822592.

The previous prime is 111102197. The next prime is 111102209. The reversal of 111102204 is 402201111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 111102204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111102209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45232 + ... + 47624.

It is an arithmetic number, because the mean of its divisors is an integer number (5580414).

Almost surely, 2^111102204 is an apocalyptic number.

It is an amenable number.

111102204 is an abundant number, since it is smaller than the sum of its proper divisors (156757668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111102204 is a wasteful number, since it uses less digits than its factorization.

111102204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526 (or 2524 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 111102204 is about 10540.5030240497. The cubic root of 111102204 is about 480.7370101487.

Adding to 111102204 its reverse (402201111), we get a palindrome (513303315).

The spelling of 111102204 in words is "one hundred eleven million, one hundred two thousand, two hundred four".