2201023321313 has 4 divisors (see below), whose sum is σ = 2201281635588. Its totient is φ = 2200765007040.

The previous prime is 2201023321297. The next prime is 2201023321337. The reversal of 2201023321313 is 3131233201022.

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 1741470843904 + 459552477409 = 1319648^2 + 677903^2 .

It is a cyclic number.

It is not a de Polignac number, because 2201023321313 - 2⁴ = 2201023321297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2201023327313) 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, 129144356 + ... + 129161397.

It is an arithmetic number, because the mean of its divisors is an integer number (550320408897).

Almost surely, 2^{2201023321313} is an apocalyptic number.

It is an amenable number.

2201023321313 is a deficient number, since it is larger than the sum of its proper divisors (258314275).

2201023321313 is an equidigital number, since it uses as much as digits as its factorization.

2201023321313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258314274.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 2201023321313 its reverse (3131233201022), we get a palindrome (5332256522335).

The spelling of 2201023321313 in words is "two trillion, two hundred one billion, twenty-three million, three hundred twenty-one thousand, three hundred thirteen".