21341220333 has 8 divisors (see below), whose sum is σ = 28457125728. Its totient is φ = 14226397584.

The previous prime is 21341220323. The next prime is 21341220389. The reversal of 21341220333 is 33302214312.

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

It is a de Polignac number, because none of the positive numbers 2^k-21341220333 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21341220323) 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, 223491 + ... + 304352.

It is an arithmetic number, because the mean of its divisors is an integer number (3557140716).

Almost surely, 2^21341220333 is an apocalyptic number.

It is an amenable number.

21341220333 is a deficient number, since it is larger than the sum of its proper divisors (7115905395).

21341220333 is a wasteful number, since it uses less digits than its factorization.

21341220333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541323.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 21341220333 its reverse (33302214312), we get a palindrome (54643434645).

The spelling of 21341220333 in words is "twenty-one billion, three hundred forty-one million, two hundred twenty thousand, three hundred thirty-three".