321203340200221 has 8 divisors (see below), whose sum is σ = 325496894948064. Its totient is φ = 316933704978000.

The previous prime is 321203340200219. The next prime is 321203340200243. The reversal of 321203340200221 is 122002043302123.

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 321203340200221 - 2¹ = 321203340200219 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 (321203340200321) 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, 5979854370 + ... + 5979908083.

It is an arithmetic number, because the mean of its divisors is an integer number (40687111868508).

Almost surely, 2^{321203340200221} is an apocalyptic number.

It is an amenable number.

321203340200221 is a deficient number, since it is larger than the sum of its proper divisors (4293554747843).

321203340200221 is a wasteful number, since it uses less digits than its factorization.

321203340200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11959762811.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 321203340200221 its reverse (122002043302123), we get a palindrome (443205383502344).

The spelling of 321203340200221 in words is "three hundred twenty-one trillion, two hundred three billion, three hundred forty million, two hundred thousand, two hundred twenty-one".