13221020014 has 4 divisors (see below), whose sum is σ = 19831530024. Its totient is φ = 6610510006.

The previous prime is 13221019997. The next prime is 13221020041. The reversal of 13221020014 is 41002012231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41002012231 = 4519 ⋅9073249.

It is a self number, because there is not a number n which added to its sum of digits gives 13221020014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3305255002 + ... + 3305255005.

It is an arithmetic number, because the mean of its divisors is an integer number (4957882506).

Almost surely, 2^13221020014 is an apocalyptic number.

13221020014 is a deficient number, since it is larger than the sum of its proper divisors (6610510010).

13221020014 is an equidigital number, since it uses as much as digits as its factorization.

13221020014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6610510009.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 13221020014 its reverse (41002012231), we get a palindrome (54223032245).

The spelling of 13221020014 in words is "thirteen billion, two hundred twenty-one million, twenty thousand, fourteen".