321213244211 has 8 divisors (see below), whose sum is σ = 331414969200. Its totient is φ = 311124245760.

The previous prime is 321213244159. The next prime is 321213244217. The reversal of 321213244211 is 112442312123.

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 a de Polignac number, because none of the positive numbers 2^k-321213244211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321213244217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28175846 + ... + 28187243.

It is an arithmetic number, because the mean of its divisors is an integer number (41426871150).

Almost surely, 2^321213244211 is an apocalyptic number.

321213244211 is a deficient number, since it is larger than the sum of its proper divisors (10201724989).

321213244211 is a wasteful number, since it uses less digits than its factorization.

321213244211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56363269.

The product of its digits is 2304, while the sum is 26.

Adding to 321213244211 its reverse (112442312123), we get a palindrome (433655556334).

The spelling of 321213244211 in words is "three hundred twenty-one billion, two hundred thirteen million, two hundred forty-four thousand, two hundred eleven".