320212330111 has 4 divisors (see below), whose sum is σ = 325639657800. Its totient is φ = 314785002424.

The previous prime is 320212330079. The next prime is 320212330189. The reversal of 320212330111 is 111033212023.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 320212330111 - 2⁵ = 320212330079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320212330511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2713663756 + ... + 2713663873.

It is an arithmetic number, because the mean of its divisors is an integer number (81409914450).

Almost surely, 2^320212330111 is an apocalyptic number.

320212330111 is a deficient number, since it is larger than the sum of its proper divisors (5427327689).

320212330111 is an equidigital number, since it uses as much as digits as its factorization.

320212330111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5427327688.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 320212330111 its reverse (111033212023), we get a palindrome (431245542134).

The spelling of 320212330111 in words is "three hundred twenty billion, two hundred twelve million, three hundred thirty thousand, one hundred eleven".