13314120421421 has 16 divisors (see below), whose sum is σ = 13450747833600. Its totient is φ = 13178388052800.

The previous prime is 13314120421403. The next prime is 13314120421429. The reversal of 13314120421421 is 12412402141331.

It is a cyclic number.

It is not a de Polignac number, because 13314120421421 - 2²² = 13314116227117 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 (13314120421429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28376510 + ... + 28841888.

It is an arithmetic number, because the mean of its divisors is an integer number (840671739600).

Almost surely, 2^{13314120421421} is an apocalyptic number.

It is an amenable number.

13314120421421 is a deficient number, since it is larger than the sum of its proper divisors (136627412179).

13314120421421 is a wasteful number, since it uses less digits than its factorization.

13314120421421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466340.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 13314120421421 its reverse (12412402141331), we get a palindrome (25726522562752).

The spelling of 13314120421421 in words is "thirteen trillion, three hundred fourteen billion, one hundred twenty million, four hundred twenty-one thousand, four hundred twenty-one".