111422440013 has 2 divisors, whose sum is σ = 111422440014. Its totient is φ = 111422440012.

The previous prime is 111422439959. The next prime is 111422440027. The reversal of 111422440013 is 310044224111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82577493769 + 28844946244 = 287363^2 + 169838^2 .

It is a cyclic number.

It is not a de Polignac number, because 111422440013 - 2³⁰ = 110348698189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111422440313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55711220006 + 55711220007.

It is an arithmetic number, because the mean of its divisors is an integer number (55711220007).

Almost surely, 2^111422440013 is an apocalyptic number.

It is an amenable number.

111422440013 is a deficient number, since it is larger than the sum of its proper divisors (1).

111422440013 is an equidigital number, since it uses as much as digits as its factorization.

111422440013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 111422440013 its reverse (310044224111), we get a palindrome (421466664124).

The spelling of 111422440013 in words is "one hundred eleven billion, four hundred twenty-two million, four hundred forty thousand, thirteen".