111102202212121 has 8 divisors (see below), whose sum is σ = 111687880032000. Its totient is φ = 110516798145600.

The previous prime is 111102202212073. The next prime is 111102202212179. The reversal of 111102202212121 is 121212202201111.

It is a happy number.

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-111102202212121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111102202212721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67624480 + ... + 69247921.

It is an arithmetic number, because the mean of its divisors is an integer number (13960985004000).

Almost surely, 2^{111102202212121} is an apocalyptic number.

It is an amenable number.

111102202212121 is a deficient number, since it is larger than the sum of its proper divisors (585677819879).

111102202212121 is a wasteful number, since it uses less digits than its factorization.

111102202212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136876679.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 111102202212121 its reverse (121212202201111), we get a palindrome (232314404413232).

The spelling of 111102202212121 in words is "one hundred eleven trillion, one hundred two billion, two hundred two million, two hundred twelve thousand, one hundred twenty-one".