320221201113 has 24 divisors (see below), whose sum is σ = 531148406880. Its totient is φ = 183859061760.

The previous prime is 320221201099. The next prime is 320221201123. The reversal of 320221201113 is 311102122023.

It is a de Polignac number, because none of the positive numbers 2^k-320221201113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320221201123) 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, 85118056 + ... + 85121817.

It is an arithmetic number, because the mean of its divisors is an integer number (22131183620).

Almost surely, 2^320221201113 is an apocalyptic number.

320221201113 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

320221201113 is a deficient number, since it is larger than the sum of its proper divisors (210927205767).

320221201113 is a wasteful number, since it uses less digits than its factorization.

320221201113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170239909 (or 170239906 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 320221201113 its reverse (311102122023), we get a palindrome (631323323136).

The spelling of 320221201113 in words is "three hundred twenty billion, two hundred twenty-one million, two hundred one thousand, one hundred thirteen".