111320324243 has 2 divisors, whose sum is σ = 111320324244. Its totient is φ = 111320324242.

The previous prime is 111320324197. The next prime is 111320324251. The reversal of 111320324243 is 342423023111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111320324243 - 2²⁰ = 111319275667 is a prime.

It is not a weakly prime, because it can be changed into another prime (111320324543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55660162121 + 55660162122.

It is an arithmetic number, because the mean of its divisors is an integer number (55660162122).

Almost surely, 2^111320324243 is an apocalyptic number.

111320324243 is a deficient number, since it is larger than the sum of its proper divisors (1).

111320324243 is an equidigital number, since it uses as much as digits as its factorization.

111320324243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 111320324243 its reverse (342423023111), we get a palindrome (453743347354).

The spelling of 111320324243 in words is "one hundred eleven billion, three hundred twenty million, three hundred twenty-four thousand, two hundred forty-three".