320101110203201 has 4 divisors (see below), whose sum is σ = 320104580865732. Its totient is φ = 320097639540672.

The previous prime is 320101110203153. The next prime is 320101110203263. The reversal of 320101110203201 is 102302011101023.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31552317951025 + 288548792252176 = 5617145^2 + 16986724^2 .

It is a cyclic number.

It is not a de Polignac number, because 320101110203201 - 2⁶ = 320101110203137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 320101110203201.

It is not an unprimeable number, because it can be changed into a prime (320101110203101) 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, 1735192916 + ... + 1735377381.

It is an arithmetic number, because the mean of its divisors is an integer number (80026145216433).

Almost surely, 2^{320101110203201} is an apocalyptic number.

It is an amenable number.

320101110203201 is a deficient number, since it is larger than the sum of its proper divisors (3470662531).

320101110203201 is an equidigital number, since it uses as much as digits as its factorization.

320101110203201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3470662530.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 320101110203201 its reverse (102302011101023), we get a palindrome (422403121304224).

The spelling of 320101110203201 in words is "three hundred twenty trillion, one hundred one billion, one hundred ten million, two hundred three thousand, two hundred one".