21033104341 has 4 divisors (see below), whose sum is σ = 21321229132. Its totient is φ = 20744979552.

The previous prime is 21033104321. The next prime is 21033104357. The reversal of 21033104341 is 14340133012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3665818116 + 17367286225 = 60546^2 + 131785^2 .

It is a cyclic number.

It is not a de Polignac number, because 21033104341 - 2²¹ = 21031007189 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 (21033104321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144062286 + ... + 144062431.

It is an arithmetic number, because the mean of its divisors is an integer number (5330307283).

Almost surely, 2^21033104341 is an apocalyptic number.

It is an amenable number.

21033104341 is a deficient number, since it is larger than the sum of its proper divisors (288124791).

21033104341 is an equidigital number, since it uses as much as digits as its factorization.

21033104341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288124790.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21033104341 its reverse (14340133012), we get a palindrome (35373237353).

The spelling of 21033104341 in words is "twenty-one billion, thirty-three million, one hundred four thousand, three hundred forty-one".