321111223213 has 8 divisors (see below), whose sum is σ = 365533724736. Its totient is φ = 279227150400.

The previous prime is 321111223207. The next prime is 321111223217. The reversal of 321111223213 is 312322111123.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-321111223213 is a prime.

It is a super-2 number, since 2×321111223213² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321111223217) 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, 634606908 + ... + 634607413.

It is an arithmetic number, because the mean of its divisors is an integer number (45691715592).

Almost surely, 2^321111223213 is an apocalyptic number.

It is an amenable number.

321111223213 is a deficient number, since it is larger than the sum of its proper divisors (44422501523).

321111223213 is a wasteful number, since it uses less digits than its factorization.

321111223213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1269214355.

The product of its digits is 432, while the sum is 22.

Adding to 321111223213 its reverse (312322111123), we get a palindrome (633433334336).

The spelling of 321111223213 in words is "three hundred twenty-one billion, one hundred eleven million, two hundred twenty-three thousand, two hundred thirteen".