21332321341 has 4 divisors (see below), whose sum is σ = 21333592384. Its totient is φ = 21331050300.

The previous prime is 21332321333. The next prime is 21332321347. The reversal of 21332321341 is 14312323312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21332321341 - 2³ = 21332321333 is a prime.

It is a super-3 number, since 3×21332321341³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21332321347) 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, 610005 + ... + 644026.

It is an arithmetic number, because the mean of its divisors is an integer number (5333398096).

Almost surely, 2^21332321341 is an apocalyptic number.

It is an amenable number.

21332321341 is a deficient number, since it is larger than the sum of its proper divisors (1271043).

21332321341 is a wasteful number, since it uses less digits than its factorization.

21332321341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271042.

The product of its digits is 2592, while the sum is 25.

Adding to 21332321341 its reverse (14312323312), we get a palindrome (35644644653).

The spelling of 21332321341 in words is "twenty-one billion, three hundred thirty-two million, three hundred twenty-one thousand, three hundred forty-one".