111342422113 has 4 divisors (see below), whose sum is σ = 119907223828. Its totient is φ = 102777620400.

The previous prime is 111342422089. The next prime is 111342422117. The reversal of 111342422113 is 311224243111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 311224243111 = 131 ⋅2375757581.

It can be written as a sum of positive squares in 2 ways, for example, as 76555695969 + 34786726144 = 276687^2 + 186512^2 .

It is not a de Polignac number, because 111342422113 - 2²⁹ = 110805551201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111342422117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4282400838 + ... + 4282400863.

It is an arithmetic number, because the mean of its divisors is an integer number (29976805957).

Almost surely, 2^111342422113 is an apocalyptic number.

111342422113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

111342422113 is a deficient number, since it is larger than the sum of its proper divisors (8564801715).

111342422113 is an equidigital number, since it uses as much as digits as its factorization.

111342422113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8564801714.

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

Adding to 111342422113 its reverse (311224243111), we get a palindrome (422566665224).

The spelling of 111342422113 in words is "one hundred eleven billion, three hundred forty-two million, four hundred twenty-two thousand, one hundred thirteen".