111320311001 has 4 divisors (see below), whose sum is σ = 111547033104. Its totient is φ = 111093588900.

The previous prime is 111320310973. The next prime is 111320311021. The reversal of 111320311001 is 100113023111.

It is a happy number.

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 111320311001 - 2³⁰ = 110246569177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111320311021) 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, 113360315 + ... + 113361296.

It is an arithmetic number, because the mean of its divisors is an integer number (27886758276).

Almost surely, 2^111320311001 is an apocalyptic number.

It is an amenable number.

111320311001 is a deficient number, since it is larger than the sum of its proper divisors (226722103).

111320311001 is an equidigital number, since it uses as much as digits as its factorization.

111320311001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226722102.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 111320311001 its reverse (100113023111), we get a palindrome (211433334112).

The spelling of 111320311001 in words is "one hundred eleven billion, three hundred twenty million, three hundred eleven thousand, one".