111330122111 has 6 divisors (see below), whose sum is σ = 120552735960. Its totient is φ = 102766266408.

The previous prime is 111330122077. The next prime is 111330122143. The reversal of 111330122111 is 111221033111.

It is not a de Polignac number, because 111330122111 - 2²² = 111325927807 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111330122111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111330122011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 329378891 + ... + 329379228.

It is an arithmetic number, because the mean of its divisors is an integer number (20092122660).

Almost surely, 2^111330122111 is an apocalyptic number.

111330122111 is a deficient number, since it is larger than the sum of its proper divisors (9222613849).

111330122111 is an equidigital number, since it uses as much as digits as its factorization.

111330122111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658758145 (or 658758132 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 111330122111 its reverse (111221033111), we get a palindrome (222551155222).

The spelling of 111330122111 in words is "one hundred eleven billion, three hundred thirty million, one hundred twenty-two thousand, one hundred eleven".