111311322112201 has 4 divisors (see below), whose sum is σ = 114902009922304. Its totient is φ = 107720634302100.

The previous prime is 111311322112183. The next prime is 111311322112229. The reversal of 111311322112201 is 102211223113111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 111311322112201 - 2²⁵ = 111311288557769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111311322112301) 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 in 3 ways as a sum of consecutive naturals, for example, 1795343905005 + ... + 1795343905066.

It is an arithmetic number, because the mean of its divisors is an integer number (28725502480576).

Almost surely, 2^{111311322112201} is an apocalyptic number.

It is an amenable number.

111311322112201 is a deficient number, since it is larger than the sum of its proper divisors (3590687810103).

111311322112201 is an equidigital number, since it uses as much as digits as its factorization.

111311322112201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3590687810102.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 111311322112201 its reverse (102211223113111), we get a palindrome (213522545225312).

The spelling of 111311322112201 in words is "one hundred eleven trillion, three hundred eleven billion, three hundred twenty-two million, one hundred twelve thousand, two hundred one".