21242204301 has 8 divisors (see below), whose sum is σ = 28395750240. Its totient is φ = 14125063952.

The previous prime is 21242204281. The next prime is 21242204303. The reversal of 21242204301 is 10340224212.

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 21242204301 - 2⁶ = 21242204237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21242204303) 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, 9100035 + ... + 9102368.

It is an arithmetic number, because the mean of its divisors is an integer number (3549468780).

Almost surely, 2^21242204301 is an apocalyptic number.

It is an amenable number.

21242204301 is a deficient number, since it is larger than the sum of its proper divisors (7153545939).

21242204301 is a wasteful number, since it uses less digits than its factorization.

21242204301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18202795.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 21242204301 its reverse (10340224212), we get a palindrome (31582428513).

The spelling of 21242204301 in words is "twenty-one billion, two hundred forty-two million, two hundred four thousand, three hundred one".