111222110322013 has 2 divisors, whose sum is σ = 111222110322014. Its totient is φ = 111222110322012.

The previous prime is 111222110321969. The next prime is 111222110322019. The reversal of 111222110322013 is 310223011222111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69999778028569 + 41222332293444 = 8366587^2 + 6420462^2 .

It is a cyclic number.

It is not a de Polignac number, because 111222110322013 - 2²¹ = 111222108224861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111222110322019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55611055161006 + 55611055161007.

It is an arithmetic number, because the mean of its divisors is an integer number (55611055161007).

Almost surely, 2^{111222110322013} is an apocalyptic number.

It is an amenable number.

111222110322013 is a deficient number, since it is larger than the sum of its proper divisors (1).

111222110322013 is an equidigital number, since it uses as much as digits as its factorization.

111222110322013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

Adding to 111222110322013 its reverse (310223011222111), we get a palindrome (421445121544124).

The spelling of 111222110322013 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred ten million, three hundred twenty-two thousand, thirteen".