110221222112221 has 8 divisors (see below), whose sum is σ = 120251046693600. Its totient is φ = 100193016444240.

The previous prime is 110221222112219. The next prime is 110221222112227. The reversal of 110221222112221 is 122211222122011.

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 110221222112221 - 2¹ = 110221222112219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110221222112192 and 110221222112201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110221222112227) 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, 404585986 + ... + 404858323.

It is an arithmetic number, because the mean of its divisors is an integer number (15031380836700).

Almost surely, 2^{110221222112221} is an apocalyptic number.

110221222112221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

110221222112221 is a deficient number, since it is larger than the sum of its proper divisors (10029824581379).

110221222112221 is a wasteful number, since it uses less digits than its factorization.

110221222112221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809456699.

The product of its (nonzero) digits is 256, while the sum is 22.

Adding to 110221222112221 its reverse (122211222122011), we get a palindrome (232432444234232).

The spelling of 110221222112221 in words is "one hundred ten trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred twelve thousand, two hundred twenty-one".