13300421340021 has 16 divisors (see below), whose sum is σ = 17893915801344. Its totient is φ = 8786964268544.

The previous prime is 13300421340013. The next prime is 13300421340023. The reversal of 13300421340021 is 12004312400331.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13300421340021 - 2³ = 13300421340013 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13300421339973 and 13300421340000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13300421340023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1409616 + ... + 5346761.

It is an arithmetic number, because the mean of its divisors is an integer number (1118369737584).

Almost surely, 2^{13300421340021} is an apocalyptic number.

It is an amenable number.

13300421340021 is a deficient number, since it is larger than the sum of its proper divisors (4593494461323).

13300421340021 is a wasteful number, since it uses less digits than its factorization.

13300421340021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6762300.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13300421340021 its reverse (12004312400331), we get a palindrome (25304733740352).

The spelling of 13300421340021 in words is "thirteen trillion, three hundred billion, four hundred twenty-one million, three hundred forty thousand, twenty-one".