13344024220021 has 24 divisors (see below), whose sum is σ = 14772053278080. Its totient is φ = 12044563497120.

The previous prime is 13344024220019. The next prime is 13344024220027. The reversal of 13344024220021 is 12002242044331.

13344024220021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13344024220021 - 2¹ = 13344024220019 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 (13344024220027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15124240 + ... + 15982198.

It is an arithmetic number, because the mean of its divisors is an integer number (615502219920).

Almost surely, 2^{13344024220021} is an apocalyptic number.

13344024220021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13344024220021 is a deficient number, since it is larger than the sum of its proper divisors (1428029058059).

13344024220021 is a wasteful number, since it uses less digits than its factorization.

13344024220021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858897 (or 858886 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 13344024220021 its reverse (12002242044331), we get a palindrome (25346266264352).

The spelling of 13344024220021 in words is "thirteen trillion, three hundred forty-four billion, twenty-four million, two hundred twenty thousand, twenty-one".