111101330121 has 16 divisors (see below), whose sum is σ = 154449868800. Its totient is φ = 70950394368.

The previous prime is 111101330071. The next prime is 111101330143. The reversal of 111101330121 is 121033101111.

It is not a de Polignac number, because 111101330121 - 2⁶ = 111101330057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111101330121.

It is not an unprimeable number, because it can be changed into a prime (111101330321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5016616 + ... + 5038713.

It is an arithmetic number, because the mean of its divisors is an integer number (9653116800).

Almost surely, 2^111101330121 is an apocalyptic number.

It is an amenable number.

111101330121 is a deficient number, since it is larger than the sum of its proper divisors (43348538679).

111101330121 is a wasteful number, since it uses less digits than its factorization.

111101330121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10055488.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 111101330121 its reverse (121033101111), we get a palindrome (232134431232).

The spelling of 111101330121 in words is "one hundred eleven billion, one hundred one million, three hundred thirty thousand, one hundred twenty-one".