13321201023101 has 4 divisors (see below), whose sum is σ = 13539581367804. Its totient is φ = 13102820678400.

The previous prime is 13321201023083. The next prime is 13321201023139. The reversal of 13321201023101 is 10132010212331.

It is a happy number.

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 3702680335225 + 9618520687876 = 1924235^2 + 3101374^2 .

It is a cyclic number.

It is not a de Polignac number, because 13321201023101 - 2³⁰ = 13320127281277 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 (13321201023401) 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, 109190172260 + ... + 109190172381.

It is an arithmetic number, because the mean of its divisors is an integer number (3384895341951).

Almost surely, 2^{13321201023101} is an apocalyptic number.

It is an amenable number.

13321201023101 is a deficient number, since it is larger than the sum of its proper divisors (218380344703).

13321201023101 is an equidigital number, since it uses as much as digits as its factorization.

13321201023101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218380344702.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13321201023101 its reverse (10132010212331), we get a palindrome (23453211235432).

The spelling of 13321201023101 in words is "thirteen trillion, three hundred twenty-one billion, two hundred one million, twenty-three thousand, one hundred one".