13310121320221 has 8 divisors (see below), whose sum is σ = 14829071336064. Its totient is φ = 11842661135520.

The previous prime is 13310121320207. The next prime is 13310121320239. The reversal of 13310121320221 is 12202312101331.

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

It is a cyclic number.

It is not a de Polignac number, because 13310121320221 - 2⁹ = 13310121319709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13310121320192 and 13310121320201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13310121320261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12872457240 + ... + 12872458273.

It is an arithmetic number, because the mean of its divisors is an integer number (1853633917008).

Almost surely, 2^{13310121320221} is an apocalyptic number.

13310121320221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13310121320221 is a deficient number, since it is larger than the sum of its proper divisors (1518950015843).

13310121320221 is a wasteful number, since it uses less digits than its factorization.

13310121320221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25744915571.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13310121320221 its reverse (12202312101331), we get a palindrome (25512433421552).

The spelling of 13310121320221 in words is "thirteen trillion, three hundred ten billion, one hundred twenty-one million, three hundred twenty thousand, two hundred twenty-one".