13220430214501 has 4 divisors (see below), whose sum is σ = 13241787937600. Its totient is φ = 13199072491404.

The previous prime is 13220430214493. The next prime is 13220430214561. The reversal of 13220430214501 is 10541203402231.

13220430214501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13220430214501 - 2³ = 13220430214493 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 13220430214501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220430214561) 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, 10678860621 + ... + 10678861858.

It is an arithmetic number, because the mean of its divisors is an integer number (3310446984400).

Almost surely, 2^{13220430214501} is an apocalyptic number.

It is an amenable number.

13220430214501 is a deficient number, since it is larger than the sum of its proper divisors (21357723099).

13220430214501 is an equidigital number, since it uses as much as digits as its factorization.

13220430214501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21357723098.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 13220430214501 its reverse (10541203402231), we get a palindrome (23761633616732).

The spelling of 13220430214501 in words is "thirteen trillion, two hundred twenty billion, four hundred thirty million, two hundred fourteen thousand, five hundred one".