120220020221 has 4 divisors (see below), whose sum is σ = 137394308832. Its totient is φ = 103045731612.

The previous prime is 120220020211. The next prime is 120220020227. The reversal of 120220020221 is 122020022021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122020022021 = 37 ⋅3297838433.

It is a cyclic number.

It is not a de Polignac number, because 120220020221 - 2⁶ = 120220020157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120220020196 and 120220020205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120220020227) 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 3 ways as a sum of consecutive naturals, for example, 8587144295 + ... + 8587144308.

It is an arithmetic number, because the mean of its divisors is an integer number (34348577208).

Almost surely, 2^120220020221 is an apocalyptic number.

It is an amenable number.

120220020221 is a deficient number, since it is larger than the sum of its proper divisors (17174288611).

120220020221 is an equidigital number, since it uses as much as digits as its factorization.

120220020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17174288610.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 120220020221 its reverse (122020022021), we get a palindrome (242240042242).

The spelling of 120220020221 in words is "one hundred twenty billion, two hundred twenty million, twenty thousand, two hundred twenty-one".