322121120321 has 16 divisors (see below), whose sum is σ = 432498288768. Its totient is φ = 231695510400.

The previous prime is 322121120309. The next prime is 322121120341. The reversal of 322121120321 is 123021121223.

It is a cyclic number.

It is not a de Polignac number, because 322121120321 - 2⁶ = 322121120257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 322121120293 and 322121120302.

It is not an unprimeable number, because it can be changed into a prime (322121120341) 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, 160898660 + ... + 160900661.

It is an arithmetic number, because the mean of its divisors is an integer number (27031143048).

Almost surely, 2^322121120321 is an apocalyptic number.

It is an amenable number.

322121120321 is a deficient number, since it is larger than the sum of its proper divisors (110377168447).

322121120321 is a wasteful number, since it uses less digits than its factorization.

322121120321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321799352.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 322121120321 its reverse (123021121223), we get a palindrome (445142241544).

The spelling of 322121120321 in words is "three hundred twenty-two billion, one hundred twenty-one million, one hundred twenty thousand, three hundred twenty-one".