120320332221 has 4 divisors (see below), whose sum is σ = 160427109632. Its totient is φ = 80213554812.

The previous prime is 120320332219. The next prime is 120320332229. The reversal of 120320332221 is 122233023021.

It is a happy number.

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 not a de Polignac number, because 120320332221 - 2¹ = 120320332219 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 (120320332229) 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, 20053388701 + ... + 20053388706.

It is an arithmetic number, because the mean of its divisors is an integer number (40106777408).

Almost surely, 2^120320332221 is an apocalyptic number.

It is an amenable number.

120320332221 is a deficient number, since it is larger than the sum of its proper divisors (40106777411).

120320332221 is an equidigital number, since it uses as much as digits as its factorization.

120320332221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40106777410.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 120320332221 its reverse (122233023021), we get a palindrome (242553355242).

The spelling of 120320332221 in words is "one hundred twenty billion, three hundred twenty million, three hundred thirty-two thousand, two hundred twenty-one".