13112441221115 has 4 divisors (see below), whose sum is σ = 15734929465344. Its totient is φ = 10489952976888.

The previous prime is 13112441221069. The next prime is 13112441221151. The reversal of 13112441221115 is 51112214421131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13112441221115 - 2⁶ = 13112441221051 is a prime.

It is a super-2 number, since 2×13112441221115² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1311244122107 + ... + 1311244122116.

It is an arithmetic number, because the mean of its divisors is an integer number (3933732366336).

Almost surely, 2^{13112441221115} is an apocalyptic number.

13112441221115 is a deficient number, since it is larger than the sum of its proper divisors (2622488244229).

13112441221115 is an equidigital number, since it uses as much as digits as its factorization.

13112441221115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622488244228.

The product of its digits is 1920, while the sum is 29.

Adding to 13112441221115 its reverse (51112214421131), we get a palindrome (64224655642246).

The spelling of 13112441221115 in words is "thirteen trillion, one hundred twelve billion, four hundred forty-one million, two hundred twenty-one thousand, one hundred fifteen".