321111112230211 has 8 divisors (see below), whose sum is σ = 321439004386544. Its totient is φ = 320783231728800.

The previous prime is 321111112230143. The next prime is 321111112230217. The reversal of 321111112230211 is 112032211111123.

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-321111112230211 is a prime.

It is a super-2 number, since 2×321111112230211² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321111112230217) 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, 52760236 + ... + 58530886.

It is an arithmetic number, because the mean of its divisors is an integer number (40179875548318).

Almost surely, 2^{321111112230211} is an apocalyptic number.

321111112230211 is a deficient number, since it is larger than the sum of its proper divisors (327892156333).

321111112230211 is an equidigital number, since it uses as much as digits as its factorization.

321111112230211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5827461.

The product of its (nonzero) digits is 144, while the sum is 22.

Adding to 321111112230211 its reverse (112032211111123), we get a palindrome (433143323341334).

The spelling of 321111112230211 in words is "three hundred twenty-one trillion, one hundred eleven billion, one hundred twelve million, two hundred thirty thousand, two hundred eleven".