111140111121 has 32 divisors (see below), whose sum is σ = 163361544192. Its totient is φ = 66776996160.

The previous prime is 111140111113. The next prime is 111140111153. The reversal of 111140111121 is 121111041111.

It is not a de Polignac number, because 111140111121 - 2³ = 111140111113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111140111121.

It is not an unprimeable number, because it can be changed into a prime (111140111171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4756056 + ... + 4779366.

It is an arithmetic number, because the mean of its divisors is an integer number (5105048256).

Almost surely, 2^111140111121 is an apocalyptic number.

It is an amenable number.

111140111121 is a deficient number, since it is larger than the sum of its proper divisors (52221433071).

111140111121 is a wasteful number, since it uses less digits than its factorization.

111140111121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26213.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111140111121 its reverse (121111041111), we get a palindrome (232251152232).

The spelling of 111140111121 in words is "one hundred eleven billion, one hundred forty million, one hundred eleven thousand, one hundred twenty-one".