320222320121 has 8 divisors (see below), whose sum is σ = 352792188288. Its totient is φ = 288228910000.

The previous prime is 320222320081. The next prime is 320222320181. The reversal of 320222320121 is 121023222023.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320222320121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320222320093 and 320222320102.

It is not an unprimeable number, because it can be changed into a prime (320222320181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144113345 + ... + 144115566.

It is an arithmetic number, because the mean of its divisors is an integer number (44099023536).

Almost surely, 2^320222320121 is an apocalyptic number.

It is an amenable number.

320222320121 is a deficient number, since it is larger than the sum of its proper divisors (32569868167).

320222320121 is a wasteful number, since it uses less digits than its factorization.

320222320121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288229023.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 320222320121 its reverse (121023222023), we get a palindrome (441245542144).

The spelling of 320222320121 in words is "three hundred twenty billion, two hundred twenty-two million, three hundred twenty thousand, one hundred twenty-one".