13221404241 has 16 divisors (see below), whose sum is σ = 18416455680. Its totient is φ = 8427162960.

The previous prime is 13221404227. The next prime is 13221404267. The reversal of 13221404241 is 14240412231.

It is not a de Polignac number, because 13221404241 - 2¹³ = 13221396049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13221404281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 848701 + ... + 864138.

It is an arithmetic number, because the mean of its divisors is an integer number (1151028480).

Almost surely, 2^13221404241 is an apocalyptic number.

It is an amenable number.

13221404241 is a deficient number, since it is larger than the sum of its proper divisors (5195051439).

13221404241 is a wasteful number, since it uses less digits than its factorization.

13221404241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712956.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 13221404241 its reverse (14240412231), we get a palindrome (27461816472).

The spelling of 13221404241 in words is "thirteen billion, two hundred twenty-one million, four hundred four thousand, two hundred forty-one".