321112212211 has 8 divisors (see below), whose sum is σ = 367006628960. Its totient is φ = 275223106368.

The previous prime is 321112212199. The next prime is 321112212217. The reversal of 321112212211 is 112212211123.

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

It is not a de Polignac number, because 321112212211 - 2¹³ = 321112204019 is a prime.

It is a super-2 number, since 2×321112212211² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321112212217) 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, 1197306 + ... + 1440751.

It is an arithmetic number, because the mean of its divisors is an integer number (45875828620).

Almost surely, 2^321112212211 is an apocalyptic number.

321112212211 is a deficient number, since it is larger than the sum of its proper divisors (45894416749).

321112212211 is a wasteful number, since it uses less digits than its factorization.

321112212211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655453.

The product of its digits is 96, while the sum is 19.

Adding to 321112212211 its reverse (112212211123), we get a palindrome (433324423334).

The spelling of 321112212211 in words is "three hundred twenty-one billion, one hundred twelve million, two hundred twelve thousand, two hundred eleven".