111023225 has 6 divisors (see below), whose sum is σ = 137668830. Its totient is φ = 88818560.

The previous prime is 111023219. The next prime is 111023249. The reversal of 111023225 is 522320111.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 6390784 + 104632441 = 2528^2 + 10229^2 .

It is not a de Polignac number, because 111023225 - 2⁶ = 111023161 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2220440 + ... + 2220489.

It is an arithmetic number, because the mean of its divisors is an integer number (22944805).

Almost surely, 2^111023225 is an apocalyptic number.

It is an amenable number.

111023225 is a deficient number, since it is larger than the sum of its proper divisors (26645605).

111023225 is an equidigital number, since it uses as much as digits as its factorization.

111023225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4440939 (or 4440934 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 111023225 is about 10536.7559049263. The cubic root of 111023225 is about 480.6230696288.

Adding to 111023225 its reverse (522320111), we get a palindrome (633343336).

The spelling of 111023225 in words is "one hundred eleven million, twenty-three thousand, two hundred twenty-five".