13043232224221 has 16 divisors (see below), whose sum is σ = 13622138305920. Its totient is φ = 12465315023040.

The previous prime is 13043232224207. The next prime is 13043232224293. The reversal of 13043232224221 is 12242223234031.

It is a cyclic number.

It is not a de Polignac number, because 13043232224221 - 2¹⁷ = 13043232093149 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 (13043232224201) 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, 124992015 + ... + 125096323.

It is an arithmetic number, because the mean of its divisors is an integer number (851383644120).

Almost surely, 2^{13043232224221} is an apocalyptic number.

It is an amenable number.

13043232224221 is a deficient number, since it is larger than the sum of its proper divisors (578906081699).

13043232224221 is a wasteful number, since it uses less digits than its factorization.

13043232224221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108996.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 13043232224221 its reverse (12242223234031), we get a palindrome (25285455458252).

The spelling of 13043232224221 in words is "thirteen trillion, forty-three billion, two hundred thirty-two million, two hundred twenty-four thousand, two hundred twenty-one".