21641230301 has 8 divisors (see below), whose sum is σ = 21697080000. Its totient is φ = 21585431520.

The previous prime is 21641230297. The next prime is 21641230319. The reversal of 21641230301 is 10303214612.

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 21641230301 - 2² = 21641230297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21641230001) 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, 926081 + ... + 949161.

It is an arithmetic number, because the mean of its divisors is an integer number (2712135000).

Almost surely, 2^21641230301 is an apocalyptic number.

It is an amenable number.

21641230301 is a deficient number, since it is larger than the sum of its proper divisors (55849699).

21641230301 is a wasteful number, since it uses less digits than its factorization.

21641230301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25459.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 21641230301 its reverse (10303214612), we get a palindrome (31944444913).

The spelling of 21641230301 in words is "twenty-one billion, six hundred forty-one million, two hundred thirty thousand, three hundred one".