111200131013 has 2 divisors, whose sum is σ = 111200131014. Its totient is φ = 111200131012.

The previous prime is 111200130989. The next prime is 111200131067. The reversal of 111200131013 is 310131002111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79038012769 + 32162118244 = 281137^2 + 179338^2 .

It is a cyclic number.

It is not a de Polignac number, because 111200131013 - 2¹⁴ = 111200114629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111200131073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55600065506 + 55600065507.

It is an arithmetic number, because the mean of its divisors is an integer number (55600065507).

Almost surely, 2^111200131013 is an apocalyptic number.

It is an amenable number.

111200131013 is a deficient number, since it is larger than the sum of its proper divisors (1).

111200131013 is an equidigital number, since it uses as much as digits as its factorization.

111200131013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 111200131013 its reverse (310131002111), we get a palindrome (421331133124).

The spelling of 111200131013 in words is "one hundred eleven billion, two hundred million, one hundred thirty-one thousand, thirteen".