120032220221 has 4 divisors (see below), whose sum is σ = 121722814944. Its totient is φ = 118341625500.

The previous prime is 120032220179. The next prime is 120032220281. The reversal of 120032220221 is 122022230021.

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.

It is a cyclic number.

It is not a de Polignac number, because 120032220221 - 2⁶ = 120032220157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120032220221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120032220281) 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, 845297255 + ... + 845297396.

It is an arithmetic number, because the mean of its divisors is an integer number (30430703736).

Almost surely, 2^120032220221 is an apocalyptic number.

It is an amenable number.

120032220221 is a deficient number, since it is larger than the sum of its proper divisors (1690594723).

120032220221 is an equidigital number, since it uses as much as digits as its factorization.

120032220221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690594722.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 120032220221 its reverse (122022230021), we get a palindrome (242054450242).

The spelling of 120032220221 in words is "one hundred twenty billion, thirty-two million, two hundred twenty thousand, two hundred twenty-one".