321230340422221 has 8 divisors (see below), whose sum is σ = 321387367392000. Its totient is φ = 321073351444560.

The previous prime is 321230340422153. The next prime is 321230340422281. The reversal of 321230340422221 is 122224043032123.

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 321230340422221 - 2³⁹ = 320680584608333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321230340422281) 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, 7423836 + ... + 26411626.

It is an arithmetic number, because the mean of its divisors is an integer number (40173420924000).

Almost surely, 2^{321230340422221} is an apocalyptic number.

It is an amenable number.

321230340422221 is a deficient number, since it is larger than the sum of its proper divisors (157026969779).

321230340422221 is a wasteful number, since it uses less digits than its factorization.

321230340422221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18996059.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 321230340422221 its reverse (122224043032123), we get a palindrome (443454383454344).

The spelling of 321230340422221 in words is "three hundred twenty-one trillion, two hundred thirty billion, three hundred forty million, four hundred twenty-two thousand, two hundred twenty-one".