111320444324213 has 2 divisors, whose sum is σ = 111320444324214. Its totient is φ = 111320444324212.

The previous prime is 111320444324107. The next prime is 111320444324231. The reversal of 111320444324213 is 312423444023111.

Together with next prime (111320444324231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91532119486564 + 19788324837649 = 9567242^2 + 4448407^2 .

It is a cyclic number.

It is not a de Polignac number, because 111320444324213 - 2²⁰ = 111320443275637 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111320444324813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55660222162106 + 55660222162107.

It is an arithmetic number, because the mean of its divisors is an integer number (55660222162107).

Almost surely, 2^{111320444324213} is an apocalyptic number.

It is an amenable number.

111320444324213 is a deficient number, since it is larger than the sum of its proper divisors (1).

111320444324213 is an equidigital number, since it uses as much as digits as its factorization.

111320444324213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 111320444324213 its reverse (312423444023111), we get a palindrome (423743888347324).

The spelling of 111320444324213 in words is "one hundred eleven trillion, three hundred twenty billion, four hundred forty-four million, three hundred twenty-four thousand, two hundred thirteen".