2221112313 has 32 divisors (see below), whose sum is σ = 3795793920. Its totient is φ = 1257333840.

The previous prime is 2221112269. The next prime is 2221112317. The reversal of 2221112313 is 3132111222.

It is not a de Polignac number, because 2221112313 - 2⁶ = 2221112249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221112317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34693 + ... + 75138.

It is an arithmetic number, because the mean of its divisors is an integer number (118618560).

Almost surely, 2^2221112313 is an apocalyptic number.

It is an amenable number.

2221112313 is a deficient number, since it is larger than the sum of its proper divisors (1574681607).

2221112313 is a wasteful number, since it uses less digits than its factorization.

2221112313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109954 (or 109948 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 2221112313 is about 47128.6782437191. The cubic root of 2221112313 is about 1304.7385868242.

Adding to 2221112313 its reverse (3132111222), we get a palindrome (5353223535).

The spelling of 2221112313 in words is "two billion, two hundred twenty-one million, one hundred twelve thousand, three hundred thirteen".