120232221 has 8 divisors (see below), whose sum is σ = 160361760. Its totient is φ = 80128752.

The previous prime is 120232219. The next prime is 120232243. The reversal of 120232221 is 122232021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 120232221 - 2¹ = 120232219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 120232221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120232261) 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, 10890 + ... + 18948.

It is an arithmetic number, because the mean of its divisors is an integer number (20045220).

Almost surely, 2^120232221 is an apocalyptic number.

It is an amenable number.

120232221 is a deficient number, since it is larger than the sum of its proper divisors (40129539).

120232221 is an equidigital number, since it uses as much as digits as its factorization.

120232221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13035.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 120232221 is about 10965.0454171426. The cubic root of 120232221 is about 493.5603799782.

Adding to 120232221 its reverse (122232021), we get a palindrome (242464242).

The spelling of 120232221 in words is "one hundred twenty million, two hundred thirty-two thousand, two hundred twenty-one".