321214134220321 has 8 divisors (see below), whose sum is σ = 323147098419264. Its totient is φ = 319281283429680.

The previous prime is 321214134220249. The next prime is 321214134220327. The reversal of 321214134220321 is 123022431412123.

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 321214134220321 - 2⁹ = 321214134219809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321214134220327) 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, 22666875 + ... + 34003168.

It is an arithmetic number, because the mean of its divisors is an integer number (40393387302408).

Almost surely, 2^{321214134220321} is an apocalyptic number.

It is an amenable number.

321214134220321 is a deficient number, since it is larger than the sum of its proper divisors (1932964198943).

321214134220321 is a wasteful number, since it uses less digits than its factorization.

321214134220321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56704151.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 321214134220321 its reverse (123022431412123), we get a palindrome (444236565632444).

The spelling of 321214134220321 in words is "three hundred twenty-one trillion, two hundred fourteen billion, one hundred thirty-four million, two hundred twenty thousand, three hundred twenty-one".