321222212201111 has 24 divisors (see below), whose sum is σ = 355948431102000. Its totient is φ = 289595218139136.

The previous prime is 321222212201063. The next prime is 321222212201141. The reversal of 321222212201111 is 111102212222123.

It is not a de Polignac number, because 321222212201111 - 2³⁴ = 321205032331927 is a prime.

It is a super-2 number, since 2×321222212201111² (a number of 30 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 (321222212201141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94612325 + ... + 97948641.

It is an arithmetic number, because the mean of its divisors is an integer number (14831184629250).

Almost surely, 2^{321222212201111} is an apocalyptic number.

321222212201111 is a deficient number, since it is larger than the sum of its proper divisors (34726218900889).

321222212201111 is a wasteful number, since it uses less digits than its factorization.

321222212201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3349635 (or 3349622 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

Adding to 321222212201111 its reverse (111102212222123), we get a palindrome (432324424423234).

The spelling of 321222212201111 in words is "three hundred twenty-one trillion, two hundred twenty-two billion, two hundred twelve million, two hundred one thousand, one hundred eleven".