120110102221221 has 24 divisors (see below), whose sum is σ = 204673026215424. Its totient is φ = 66420333024480.

The previous prime is 120110102221181. The next prime is 120110102221279. The reversal of 120110102221221 is 122122201011021.

120110102221221 is a `hidden beast` number, since 1 + 201 + 10 + 10 + 2 + 221 + 221 = 666.

It is not a de Polignac number, because 120110102221221 - 2⁹ = 120110102220709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120110102221194 and 120110102221203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120110102221321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30750152226 + ... + 30750156131.

It is an arithmetic number, because the mean of its divisors is an integer number (8528042758976).

Almost surely, 2^{120110102221221} is an apocalyptic number.

It is an amenable number.

120110102221221 is a deficient number, since it is larger than the sum of its proper divisors (84562923994203).

120110102221221 is a wasteful number, since it uses less digits than its factorization.

120110102221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61500308401 (or 61500308398 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120110102221221 its reverse (122122201011021), we get a palindrome (242232303232242).

The spelling of 120110102221221 in words is "one hundred twenty trillion, one hundred ten billion, one hundred two million, two hundred twenty-one thousand, two hundred twenty-one".