111424221313 has 4 divisors (see below), whose sum is σ = 111617331460. Its totient is φ = 111231111168.

The previous prime is 111424221263. The next prime is 111424221397. The reversal of 111424221313 is 313122424111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313122424111 = 7 ⋅44731774873.

It can be written as a sum of positive squares in 2 ways, for example, as 95340147984 + 16084073329 = 308772^2 + 126823^2 .

It is a cyclic number.

It is not a de Polignac number, because 111424221313 - 2³³ = 102834286721 is a prime.

It is a super-3 number, since 3×111424221313³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111424221113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96554208 + ... + 96555361.

It is an arithmetic number, because the mean of its divisors is an integer number (27904332865).

Almost surely, 2^111424221313 is an apocalyptic number.

It is an amenable number.

111424221313 is a deficient number, since it is larger than the sum of its proper divisors (193110147).

111424221313 is an equidigital number, since it uses as much as digits as its factorization.

111424221313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193110146.

The product of its digits is 1152, while the sum is 25.

Adding to 111424221313 its reverse (313122424111), we get a palindrome (424546645424).

The spelling of 111424221313 in words is "one hundred eleven billion, four hundred twenty-four million, two hundred twenty-one thousand, three hundred thirteen".