21210332341 has 8 divisors (see below), whose sum is σ = 23305010400. Its totient is φ = 19143398640.

The previous prime is 21210332317. The next prime is 21210332389. The reversal of 21210332341 is 14323301212.

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 21210332341 - 2⁹ = 21210331829 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 (21210332141) 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, 6934486 + ... + 6937543.

It is an arithmetic number, because the mean of its divisors is an integer number (2913126300).

Almost surely, 2^21210332341 is an apocalyptic number.

It is an amenable number.

21210332341 is a deficient number, since it is larger than the sum of its proper divisors (2094678059).

21210332341 is a wasteful number, since it uses less digits than its factorization.

21210332341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13872179.

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

Adding to 21210332341 its reverse (14323301212), we get a palindrome (35533633553).

The spelling of 21210332341 in words is "twenty-one billion, two hundred ten million, three hundred thirty-two thousand, three hundred forty-one".