13221001211 has 8 divisors (see below), whose sum is σ = 15182011200. Its totient is φ = 11386508040.

The previous prime is 13221001187. The next prime is 13221001229. The reversal of 13221001211 is 11210012231.

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 13221001211 - 2¹⁴ = 13220984827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13221004211) 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, 31628981 + ... + 31629398.

It is an arithmetic number, because the mean of its divisors is an integer number (1897751400).

Almost surely, 2^13221001211 is an apocalyptic number.

13221001211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13221001211 is a deficient number, since it is larger than the sum of its proper divisors (1961009989).

13221001211 is a wasteful number, since it uses less digits than its factorization.

13221001211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63258409.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 13221001211 its reverse (11210012231), we get a palindrome (24431013442).

The spelling of 13221001211 in words is "thirteen billion, two hundred twenty-one million, one thousand, two hundred eleven".