13203010211221 has 8 divisors (see below), whose sum is σ = 13777147434240. Its totient is φ = 12628880763312.

The previous prime is 13203010211203. The next prime is 13203010211273. The reversal of 13203010211221 is 12211201030231.

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 13203010211221 - 2²⁵ = 13202976656789 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 (13203010212221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1669195 + ... + 5402983.

It is an arithmetic number, because the mean of its divisors is an integer number (1722143429280).

Almost surely, 2^{13203010211221} is an apocalyptic number.

It is an amenable number.

13203010211221 is a deficient number, since it is larger than the sum of its proper divisors (574137223019).

13203010211221 is a wasteful number, since it uses less digits than its factorization.

13203010211221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887555.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 13203010211221 its reverse (12211201030231), we get a palindrome (25414211241452).

The spelling of 13203010211221 in words is "thirteen trillion, two hundred three billion, ten million, two hundred eleven thousand, two hundred twenty-one".