21343201133 has 8 divisors (see below), whose sum is σ = 21519048000. Its totient is φ = 21168040608.

The previous prime is 21343201127. The next prime is 21343201151. The reversal of 21343201133 is 33110234312.

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

It is a cyclic number.

It is not a de Polignac number, because 21343201133 - 2¹⁸ = 21342938989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21343201099 and 21343201108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21343201433) 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, 109043 + ... + 233616.

It is an arithmetic number, because the mean of its divisors is an integer number (2689881000).

Almost surely, 2^21343201133 is an apocalyptic number.

It is an amenable number.

21343201133 is a deficient number, since it is larger than the sum of its proper divisors (175846867).

21343201133 is a wasteful number, since it uses less digits than its factorization.

21343201133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343171.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 21343201133 its reverse (33110234312), we get a palindrome (54453435445).

The spelling of 21343201133 in words is "twenty-one billion, three hundred forty-three million, two hundred one thousand, one hundred thirty-three".