13221240344211 has 8 divisors (see below), whose sum is σ = 17628373657600. Its totient is φ = 8814133630152.

The previous prime is 13221240344173. The next prime is 13221240344219. The reversal of 13221240344211 is 11244304212231.

It is a happy number.

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

It is not a de Polignac number, because 13221240344211 - 2⁹ = 13221240343699 is a prime.

It is a super-2 number, since 2×13221240344211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13221240344219) 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, 5459611 + ... + 7499988.

It is an arithmetic number, because the mean of its divisors is an integer number (2203546707200).

Almost surely, 2^{13221240344211} is an apocalyptic number.

13221240344211 is a deficient number, since it is larger than the sum of its proper divisors (4407133313389).

13221240344211 is a wasteful number, since it uses less digits than its factorization.

13221240344211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13299665.

The product of its (nonzero) digits is 9216, while the sum is 30.

Adding to 13221240344211 its reverse (11244304212231), we get a palindrome (24465544556442).

The spelling of 13221240344211 in words is "thirteen trillion, two hundred twenty-one billion, two hundred forty million, three hundred forty-four thousand, two hundred eleven".