322120220121 has 80 divisors (see below), whose sum is σ = 555427217664. Its totient is φ = 182233691136.

The previous prime is 322120220117. The next prime is 322120220153. The reversal of 322120220121 is 121022021223.

322120220121 is a `hidden beast` number, since 322 + 1 + 2 + 0 + 220 + 121 = 666.

It is not a de Polignac number, because 322120220121 - 2² = 322120220117 is a prime.

It is a super-2 number, since 2×322120220121² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 322120220094 and 322120220103.

It is not an unprimeable number, because it can be changed into a prime (322120220101) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 70283596 + ... + 70288178.

Almost surely, 2^322120220121 is an apocalyptic number.

It is an amenable number.

322120220121 is a deficient number, since it is larger than the sum of its proper divisors (233306997543).

322120220121 is a wasteful number, since it uses less digits than its factorization.

322120220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5812 (or 5803 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 322120220121 its reverse (121022021223), we get a palindrome (443142241344).

The spelling of 322120220121 in words is "three hundred twenty-two billion, one hundred twenty million, two hundred twenty thousand, one hundred twenty-one".