321214211223421 has 8 divisors (see below), whose sum is σ = 321954306003200. Its totient is φ = 320474316132432.

The previous prime is 321214211223419. The next prime is 321214211223467. The reversal of 321214211223421 is 124322112412123.

It is a happy number.

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 321214211223421 - 2¹ = 321214211223419 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 (321214211223401) 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, 46701105 + ... + 53135878.

It is an arithmetic number, because the mean of its divisors is an integer number (40244288250400).

Almost surely, 2^{321214211223421} is an apocalyptic number.

It is an amenable number.

321214211223421 is a deficient number, since it is larger than the sum of its proper divisors (740094779779).

321214211223421 is an equidigital number, since it uses as much as digits as its factorization.

321214211223421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99844395.

The product of its digits is 9216, while the sum is 31.

Adding to 321214211223421 its reverse (124322112412123), we get a palindrome (445536323635544).

The spelling of 321214211223421 in words is "three hundred twenty-one trillion, two hundred fourteen billion, two hundred eleven million, two hundred twenty-three thousand, four hundred twenty-one".