111112225 has 12 divisors (see below), whose sum is σ = 157462144. Its totient is φ = 76191120.

The previous prime is 111112219. The next prime is 111112237. The reversal of 111112225 is 522211111.

It is not a de Polignac number, because 111112225 - 2¹¹ = 111110177 is a prime.

It is a plaindrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 111112199 and 111112208.

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 11 ways as a sum of consecutive naturals, for example, 317289 + ... + 317638.

Almost surely, 2^111112225 is an apocalyptic number.

It is an amenable number.

111112225 is a deficient number, since it is larger than the sum of its proper divisors (46349919).

111112225 is an equidigital number, since it uses as much as digits as its factorization.

111112225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634944 (or 634939 counting only the distinct ones).

The product of its digits is 40, while the sum is 16.

The square root of 111112225 is about 10540.9783701514. The cubic root of 111112225 is about 480.7514632695.

Adding to 111112225 its reverse (522211111), we get a palindrome (633323336).

The spelling of 111112225 in words is "one hundred eleven million, one hundred twelve thousand, two hundred twenty-five".