320121321022 has 4 divisors (see below), whose sum is σ = 480181981536. Its totient is φ = 160060660510.

The previous prime is 320121320951. The next prime is 320121321043. The reversal of 320121321022 is 220123121023.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80030330254 + ... + 80030330257.

It is an arithmetic number, because the mean of its divisors is an integer number (120045495384).

Almost surely, 2^320121321022 is an apocalyptic number.

320121321022 is a deficient number, since it is larger than the sum of its proper divisors (160060660514).

320121321022 is a wasteful number, since it uses less digits than its factorization.

320121321022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160060660513.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 320121321022 its reverse (220123121023), we get a palindrome (540244442045).

The spelling of 320121321022 in words is "three hundred twenty billion, one hundred twenty-one million, three hundred twenty-one thousand, twenty-two".