111333320111 has 4 divisors (see below), whose sum is σ = 119897421672. Its totient is φ = 102769218552.

The previous prime is 111333320089. The next prime is 111333320117. The reversal of 111333320111 is 111023333111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 111023333111 = 264391 ⋅419921.

It is not a de Polignac number, because 111333320111 - 2⁶ = 111333320047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111333320117) 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, 4282050761 + ... + 4282050786.

It is an arithmetic number, because the mean of its divisors is an integer number (29974355418).

Almost surely, 2^111333320111 is an apocalyptic number.

111333320111 is a deficient number, since it is larger than the sum of its proper divisors (8564101561).

111333320111 is an equidigital number, since it uses as much as digits as its factorization.

111333320111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8564101560.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 111333320111 its reverse (111023333111), we get a palindrome (222356653222).

The spelling of 111333320111 in words is "one hundred eleven billion, three hundred thirty-three million, three hundred twenty thousand, one hundred eleven".