113312212221113 has 8 divisors (see below), whose sum is σ = 117230097198600. Its totient is φ = 109395031731328.

The previous prime is 113312212221073. The next prime is 113312212221127. The reversal of 113312212221113 is 311122212213311.

It can be written as a sum of positive squares in 4 ways, for example, as 62007482517289 + 51304729703824 = 7874483^2 + 7162732^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113312212221113 - 2²⁸ = 113311943785657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113312212221193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175794668 + ... + 176438061.

It is an arithmetic number, because the mean of its divisors is an integer number (14653762149825).

Almost surely, 2^{113312212221113} is an apocalyptic number.

It is an amenable number.

113312212221113 is a deficient number, since it is larger than the sum of its proper divisors (3917884977487).

113312212221113 is a wasteful number, since it uses less digits than its factorization.

113312212221113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352243851.

The product of its digits is 864, while the sum is 26.

Adding to 113312212221113 its reverse (311122212213311), we get a palindrome (424434424434424).

The spelling of 113312212221113 in words is "one hundred thirteen trillion, three hundred twelve billion, two hundred twelve million, two hundred twenty-one thousand, one hundred thirteen".