111312233203207 has 2 divisors, whose sum is σ = 111312233203208. Its totient is φ = 111312233203206.

The previous prime is 111312233203091. The next prime is 111312233203231. The reversal of 111312233203207 is 702302332213111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111312233203207 - 2⁷ = 111312233203079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111312233203247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55656116601603 + 55656116601604.

It is an arithmetic number, because the mean of its divisors is an integer number (55656116601604).

Almost surely, 2^{111312233203207} is an apocalyptic number.

111312233203207 is a deficient number, since it is larger than the sum of its proper divisors (1).

111312233203207 is an equidigital number, since it uses as much as digits as its factorization.

111312233203207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

Adding to 111312233203207 its reverse (702302332213111), we get a palindrome (813614565416318).

The spelling of 111312233203207 in words is "one hundred eleven trillion, three hundred twelve billion, two hundred thirty-three million, two hundred three thousand, two hundred seven".