3111122113 has 6 divisors (see below), whose sum is σ = 3419663282. Its totient is φ = 2828292720.

The previous prime is 3111122093. The next prime is 3111122173. The reversal of 3111122113 is 3112211113.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1735305649 + 1375816464 = 41657^2 + 37092^2 .

It is not a de Polignac number, because 3111122113 - 2¹³ = 3111113921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3111122173) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 12855756 + ... + 12855997.

Almost surely, 2^3111122113 is an apocalyptic number.

It is an amenable number.

3111122113 is a deficient number, since it is larger than the sum of its proper divisors (308541169).

3111122113 is a wasteful number, since it uses less digits than its factorization.

3111122113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25711775 (or 25711764 counting only the distinct ones).

The product of its digits is 36, while the sum is 16.

The square root of 3111122113 is about 55777.4337254772. The cubic root of 3111122113 is about 1459.8414341148.

Adding to 3111122113 its reverse (3112211113), we get a palindrome (6223333226).

The spelling of 3111122113 in words is "three billion, one hundred eleven million, one hundred twenty-two thousand, one hundred thirteen".