321300022121221 has 8 divisors (see below), whose sum is σ = 377471354660064. Its totient is φ = 269622396185520.

The previous prime is 321300022121203. The next prime is 321300022121263. The reversal of 321300022121221 is 122121220003123.

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

It is a cyclic number.

It is not a de Polignac number, because 321300022121221 - 2¹³ = 321300022113029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321300022121192 and 321300022121201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321300022121521) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1123426650631 + ... + 1123426650916.

It is an arithmetic number, because the mean of its divisors is an integer number (47183919332508).

Almost surely, 2^{321300022121221} is an apocalyptic number.

It is an amenable number.

321300022121221 is a deficient number, since it is larger than the sum of its proper divisors (56171332538843).

321300022121221 is a wasteful number, since it uses less digits than its factorization.

321300022121221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246853301571.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 321300022121221 its reverse (122121220003123), we get a palindrome (443421242124344).

The spelling of 321300022121221 in words is "three hundred twenty-one trillion, three hundred billion, twenty-two million, one hundred twenty-one thousand, two hundred twenty-one".