3112223111 has 16 divisors (see below), whose sum is σ = 3267112320. Its totient is φ = 2962164480.

The previous prime is 3112223071. The next prime is 3112223113. The reversal of 3112223111 is 1113222113.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3112223111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3112223111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3112223113) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 249065 + ... + 261261.

It is an arithmetic number, because the mean of its divisors is an integer number (204194520).

Almost surely, 2^3112223111 is an apocalyptic number.

3112223111 is a deficient number, since it is larger than the sum of its proper divisors (154889209).

3112223111 is a wasteful number, since it uses less digits than its factorization.

3112223111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12394.

The product of its digits is 72, while the sum is 17.

The square root of 3112223111 is about 55787.3024173064. The cubic root of 3112223111 is about 1460.0136220347.

Adding to 3112223111 its reverse (1113222113), we get a palindrome (4225445224).

The spelling of 3112223111 in words is "three billion, one hundred twelve million, two hundred twenty-three thousand, one hundred eleven".