13220010021 has 8 divisors (see below), whose sum is σ = 17849802880. Its totient is φ = 8701778592.

The previous prime is 13220009993. The next prime is 13220010043. The reversal of 13220010021 is 12001002231.

13220010021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13220010021 - 2¹⁷ = 13219878949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13220009979 and 13220010006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13220010121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27890080 + ... + 27890553.

It is an arithmetic number, because the mean of its divisors is an integer number (2231225360).

Almost surely, 2^13220010021 is an apocalyptic number.

It is an amenable number.

13220010021 is a deficient number, since it is larger than the sum of its proper divisors (4629792859).

13220010021 is an equidigital number, since it uses as much as digits as its factorization.

13220010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55780715.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 13220010021 its reverse (12001002231), we get a palindrome (25221012252).

The spelling of 13220010021 in words is "thirteen billion, two hundred twenty million, ten thousand, twenty-one".