320201323220011 has 4 divisors (see below), whose sum is σ = 330530398162624. Its totient is φ = 309872248277400.

The previous prime is 320201323219937. The next prime is 320201323220027. The reversal of 320201323220011 is 110022323102023.

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 320201323220011 - 2³³ = 320192733285419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320201323290011) 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, 5164537471260 + ... + 5164537471321.

It is an arithmetic number, because the mean of its divisors is an integer number (82632599540656).

Almost surely, 2^{320201323220011} is an apocalyptic number.

320201323220011 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

320201323220011 is a deficient number, since it is larger than the sum of its proper divisors (10329074942613).

320201323220011 is a wasteful number, since it uses less digits than its factorization.

320201323220011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10329074942612.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 320201323220011 its reverse (110022323102023), we get a palindrome (430223646322034).

The spelling of 320201323220011 in words is "three hundred twenty trillion, two hundred one billion, three hundred twenty-three million, two hundred twenty thousand, eleven".