111222102020321 has 8 divisors (see below), whose sum is σ = 115924571103744. Its totient is φ = 106589299145760.

The previous prime is 111222102020317. The next prime is 111222102020489. The reversal of 111222102020321 is 123020201222111.

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

It is a cyclic number.

It is not a de Polignac number, because 111222102020321 - 2² = 111222102020317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111222102020293 and 111222102020302.

It is not an unprimeable number, because it can be changed into a prime (111222102028321) 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, 17416548956 + ... + 17416555341.

It is an arithmetic number, because the mean of its divisors is an integer number (14490571387968).

Almost surely, 2^{111222102020321} is an apocalyptic number.

It is an amenable number.

111222102020321 is a deficient number, since it is larger than the sum of its proper divisors (4702469083423).

111222102020321 is a wasteful number, since it uses less digits than its factorization.

111222102020321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34833104431.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 111222102020321 its reverse (123020201222111), we get a palindrome (234242303242432).

The spelling of 111222102020321 in words is "one hundred eleven trillion, two hundred twenty-two billion, one hundred two million, twenty thousand, three hundred twenty-one".