111120122111 has 8 divisors (see below), whose sum is σ = 117077176320. Its totient is φ = 105256879992.

The previous prime is 111120122089. The next prime is 111120122147. The reversal of 111120122111 is 111221021111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111120122111 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 (111120122161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23450591 + ... + 23455328.

It is an arithmetic number, because the mean of its divisors is an integer number (14634647040).

Almost surely, 2^111120122111 is an apocalyptic number.

111120122111 is a deficient number, since it is larger than the sum of its proper divisors (5957054209).

111120122111 is a wasteful number, since it uses less digits than its factorization.

111120122111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46906045.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 111120122111 its reverse (111221021111), we get a palindrome (222341143222).

The spelling of 111120122111 in words is "one hundred eleven billion, one hundred twenty million, one hundred twenty-two thousand, one hundred eleven".