111444010213 has 2 divisors, whose sum is σ = 111444010214. Its totient is φ = 111444010212.

The previous prime is 111444010189. The next prime is 111444010247. The reversal of 111444010213 is 312010444111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90262991844 + 21181018369 = 300438^2 + 145537^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111444010213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111444010283) 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, 55722005106 + 55722005107.

It is an arithmetic number, because the mean of its divisors is an integer number (55722005107).

Almost surely, 2^111444010213 is an apocalyptic number.

It is an amenable number.

111444010213 is a deficient number, since it is larger than the sum of its proper divisors (1).

111444010213 is an equidigital number, since it uses as much as digits as its factorization.

111444010213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 111444010213 its reverse (312010444111), we get a palindrome (423454454324).

The spelling of 111444010213 in words is "one hundred eleven billion, four hundred forty-four million, ten thousand, two hundred thirteen".