21432341201 has 16 divisors (see below), whose sum is σ = 22820616000. Its totient is φ = 20058475008.

The previous prime is 21432341179. The next prime is 21432341207. The reversal of 21432341201 is 10214323412.

It is a cyclic number.

It is not a de Polignac number, because 21432341201 - 2³⁴ = 4252472017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21432341207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3399350 + ... + 3405648.

It is an arithmetic number, because the mean of its divisors is an integer number (1426288500).

Almost surely, 2^21432341201 is an apocalyptic number.

It is an amenable number.

21432341201 is a deficient number, since it is larger than the sum of its proper divisors (1388274799).

21432341201 is a wasteful number, since it uses less digits than its factorization.

21432341201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7408.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21432341201 its reverse (10214323412), we get a palindrome (31646664613).

The spelling of 21432341201 in words is "twenty-one billion, four hundred thirty-two million, three hundred forty-one thousand, two hundred one".