21241303001 has 8 divisors (see below), whose sum is σ = 21761843208. Its totient is φ = 20720880000.

The previous prime is 21241302997. The next prime is 21241303003. The reversal of 21241303001 is 10030314212.

It can be written as a sum of positive squares in 4 ways, for example, as 13104400 + 21228198601 = 3620^2 + 145699^2 .

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 21241303001 - 2² = 21241302997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21241303003) 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, 421451 + ... + 469151.

It is an arithmetic number, because the mean of its divisors is an integer number (2720230401).

Almost surely, 2^21241303001 is an apocalyptic number.

It is an amenable number.

21241303001 is a deficient number, since it is larger than the sum of its proper divisors (520540207).

21241303001 is a wasteful number, since it uses less digits than its factorization.

21241303001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58603.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 21241303001 its reverse (10030314212), we get a palindrome (31271617213).

The spelling of 21241303001 in words is "twenty-one billion, two hundred forty-one million, three hundred three thousand, one".