111225 has 12 divisors (see below), whose sum is σ = 184016. Its totient is φ = 59280.

The previous prime is 111217. The next prime is 111227. The reversal of 111225 is 522111.

It is not a de Polignac number, because 111225 - 2³ = 111217 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 111225.

It is not an unprimeable number, because it can be changed into a prime (111227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 667 + ... + 816.

2¹¹¹²²⁵ is an apocalyptic number.

111225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111225 is a deficient number, since it is larger than the sum of its proper divisors (72791).

111225 is a wasteful number, since it uses less digits than its factorization.

111225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1496 (or 1491 counting only the distinct ones).

The product of its digits is 20, while the sum is 12.

The square root of 111225 is about 333.5041229130. The cubic root of 111225 is about 48.0914056881.

Adding to 111225 its reverse (522111), we get a palindrome (633336).

The spelling of 111225 in words is "one hundred eleven thousand, two hundred twenty-five".