120120110221 has 4 divisors (see below), whose sum is σ = 120146921244. Its totient is φ = 120093299200.

The previous prime is 120120110179. The next prime is 120120110237. The reversal of 120120110221 is 122011021021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 70453084900 + 49667025321 = 265430^2 + 222861^2 .

It is a cyclic number.

It is not a de Polignac number, because 120120110221 - 2⁹ = 120120109709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120120110261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13398790 + ... + 13407751.

It is an arithmetic number, because the mean of its divisors is an integer number (30036730311).

Almost surely, 2^120120110221 is an apocalyptic number.

It is an amenable number.

120120110221 is a deficient number, since it is larger than the sum of its proper divisors (26811023).

120120110221 is an equidigital number, since it uses as much as digits as its factorization.

120120110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26811022.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120120110221 its reverse (122011021021), we get a palindrome (242131131242).

The spelling of 120120110221 in words is "one hundred twenty billion, one hundred twenty million, one hundred ten thousand, two hundred twenty-one".