111132224321 has 4 divisors (see below), whose sum is σ = 111150993072. Its totient is φ = 111113455572.

The previous prime is 111132224309. The next prime is 111132224363. The reversal of 111132224321 is 123422231111.

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 a de Polignac number, because none of the positive numbers 2^k-111132224321 is a prime.

It is a super-2 number, since 2×111132224321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111132214321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9375491 + ... + 9387336.

It is an arithmetic number, because the mean of its divisors is an integer number (27787748268).

Almost surely, 2^111132224321 is an apocalyptic number.

It is an amenable number.

111132224321 is a deficient number, since it is larger than the sum of its proper divisors (18768751).

111132224321 is an equidigital number, since it uses as much as digits as its factorization.

111132224321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18768750.

The product of its digits is 576, while the sum is 23.

Adding to 111132224321 its reverse (123422231111), we get a palindrome (234554455432).

The spelling of 111132224321 in words is "one hundred eleven billion, one hundred thirty-two million, two hundred twenty-four thousand, three hundred twenty-one".