120204221 has 8 divisors (see below), whose sum is σ = 125018784. Its totient is φ = 115481520.

The previous prime is 120204199. The next prime is 120204247. The reversal of 120204221 is 122402021.

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

It is a cyclic number.

It is not a de Polignac number, because 120204221 - 2¹⁰ = 120203197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 120204196 and 120204205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120234221) 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, 20291 + ... + 25536.

It is an arithmetic number, because the mean of its divisors is an integer number (15627348).

Almost surely, 2^120204221 is an apocalyptic number.

It is an amenable number.

120204221 is a deficient number, since it is larger than the sum of its proper divisors (4814563).

120204221 is an equidigital number, since it uses as much as digits as its factorization.

120204221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45931.

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

The square root of 120204221 is about 10963.7685583015. The cubic root of 120204221 is about 493.5220631182.

Adding to 120204221 its reverse (122402021), we get a palindrome (242606242).

The spelling of 120204221 in words is "one hundred twenty million, two hundred four thousand, two hundred twenty-one".