111366263321 has 12 divisors (see below), whose sum is σ = 112994691732. Its totient is φ = 109755414144.

The previous prime is 111366263311. The next prime is 111366263357. The reversal of 111366263321 is 123362663111.

It can be written as a sum of positive squares in 2 ways, for example, as 27775888921 + 83590374400 = 166661^2 + 289120^2 .

It is not a de Polignac number, because 111366263321 - 2³⁰ = 110292521497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111366263311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2625941 + ... + 2668013.

It is an arithmetic number, because the mean of its divisors is an integer number (9416224311).

Almost surely, 2^111366263321 is an apocalyptic number.

It is an amenable number.

111366263321 is a deficient number, since it is larger than the sum of its proper divisors (1628428411).

111366263321 is an equidigital number, since it uses as much as digits as its factorization.

111366263321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42488 (or 42349 counting only the distinct ones).

The product of its digits is 23328, while the sum is 35.

The spelling of 111366263321 in words is "one hundred eleven billion, three hundred sixty-six million, two hundred sixty-three thousand, three hundred twenty-one".