3112111225 has 12 divisors (see below), whose sum is σ = 3864234816. Its totient is φ = 2486323280.

The previous prime is 3112111201. The next prime is 3112111259. The reversal of 3112111225 is 5221112113.

It is not a de Polignac number, because 3112111225 - 2⁵ = 3112111193 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 (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65197 + ... + 102346.

It is an arithmetic number, because the mean of its divisors is an integer number (322019568).

Almost surely, 2^3112111225 is an apocalyptic number.

It is an amenable number.

3112111225 is a deficient number, since it is larger than the sum of its proper divisors (752123591).

3112111225 is a wasteful number, since it uses less digits than its factorization.

3112111225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168296 (or 168291 counting only the distinct ones).

The product of its digits is 120, while the sum is 19.

The square root of 3112111225 is about 55786.2996173792. The cubic root of 3112111225 is about 1459.9961257481.

Adding to 3112111225 its reverse (5221112113), we get a palindrome (8333223338).

The spelling of 3112111225 in words is "three billion, one hundred twelve million, one hundred eleven thousand, two hundred twenty-five".