320220110220121 has 16 divisors (see below), whose sum is σ = 323848465034688. Its totient is φ = 316609828891200.

The previous prime is 320220110220041. The next prime is 320220110220151. The reversal of 320220110220121 is 121022011022023.

It is a cyclic number.

It is not a de Polignac number, because 320220110220121 - 2⁷ = 320220110219993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320220110220151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637420366 + ... + 637922536.

It is an arithmetic number, because the mean of its divisors is an integer number (20240529064668).

Almost surely, 2^{320220110220121} is an apocalyptic number.

It is an amenable number.

320220110220121 is a deficient number, since it is larger than the sum of its proper divisors (3628354814567).

320220110220121 is a wasteful number, since it uses less digits than its factorization.

320220110220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520152.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 320220110220121 its reverse (121022011022023), we get a palindrome (441242121242144).

The spelling of 320220110220121 in words is "three hundred twenty trillion, two hundred twenty billion, one hundred ten million, two hundred twenty thousand, one hundred twenty-one".