111201204 has 12 divisors (see below), whose sum is σ = 259469504. Its totient is φ = 37067064.

The previous prime is 111201197. The next prime is 111201217. The reversal of 111201204 is 402102111.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 9266767 = 111201204 / (1 + 1 + 1 + 2 + 0 + 1 + 2 + 0 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 111201204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4633372 + ... + 4633395.

Almost surely, 2^111201204 is an apocalyptic number.

It is an amenable number.

111201204 is an abundant number, since it is smaller than the sum of its proper divisors (148268300).

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

111201204 is a wasteful number, since it uses less digits than its factorization.

111201204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9266774 (or 9266772 counting only the distinct ones).

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

The square root of 111201204 is about 10545.1981489207. The cubic root of 111201204 is about 480.8797580962.

Adding to 111201204 its reverse (402102111), we get a palindrome (513303315).

The spelling of 111201204 in words is "one hundred eleven million, two hundred one thousand, two hundred four".