13430214515221 has 16 divisors (see below), whose sum is σ = 16020375277824. Its totient is φ = 11008207102464.

The previous prime is 13430214515191. The next prime is 13430214515239. The reversal of 13430214515221 is 12251541203431.

It is a cyclic number.

It is not a de Polignac number, because 13430214515221 - 2⁷ = 13430214515093 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 (13430214515281) 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, 10373340 + ... + 11595973.

It is an arithmetic number, because the mean of its divisors is an integer number (1001273454864).

Almost surely, 2^{13430214515221} is an apocalyptic number.

It is an amenable number.

13430214515221 is a deficient number, since it is larger than the sum of its proper divisors (2590160762603).

13430214515221 is a wasteful number, since it uses less digits than its factorization.

13430214515221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21973140.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 13430214515221 its reverse (12251541203431), we get a palindrome (25681755718652).

The spelling of 13430214515221 in words is "thirteen trillion, four hundred thirty billion, two hundred fourteen million, five hundred fifteen thousand, two hundred twenty-one".