111342225 has 12 divisors (see below), whose sum is σ = 184085936. Its totient is φ = 59382480.

The previous prime is 111342211. The next prime is 111342239. The reversal of 111342225 is 522243111.

It is an interprime number because it is at equal distance from previous prime (111342211) and next prime (111342239).

It is not a de Polignac number, because 111342225 - 2¹⁷ = 111211153 is a prime.

It is a Duffinian 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, 742207 + ... + 742356.

Almost surely, 2^111342225 is an apocalyptic number.

111342225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111342225 is a deficient number, since it is larger than the sum of its proper divisors (72743711).

111342225 is a wasteful number, since it uses less digits than its factorization.

111342225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1484576 (or 1484571 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 111342225 is about 10551.8825334629. The cubic root of 111342225 is about 481.0829498354.

Adding to 111342225 its reverse (522243111), we get a palindrome (633585336).

The spelling of 111342225 in words is "one hundred eleven million, three hundred forty-two thousand, two hundred twenty-five".