320231221211 has 8 divisors (see below), whose sum is σ = 355070088048. Its totient is φ = 286346844000.

The previous prime is 320231221127. The next prime is 320231221217. The reversal of 320231221211 is 112122132023.

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

It is a cyclic number.

It is not a de Polignac number, because 320231221211 - 2¹⁰ = 320231220187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320231221217) 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, 238621700 + ... + 238623041.

It is an arithmetic number, because the mean of its divisors is an integer number (44383761006).

Almost surely, 2^320231221211 is an apocalyptic number.

320231221211 is a deficient number, since it is larger than the sum of its proper divisors (34838866837).

320231221211 is a wasteful number, since it uses less digits than its factorization.

320231221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477244813.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 320231221211 its reverse (112122132023), we get a palindrome (432353353234).

The spelling of 320231221211 in words is "three hundred twenty billion, two hundred thirty-one million, two hundred twenty-one thousand, two hundred eleven".