21300444440241 has 16 divisors (see below), whose sum is σ = 28547327160000. Its totient is φ = 14126941983168.

The previous prime is 21300444440227. The next prime is 21300444440243. The reversal of 21300444440241 is 14204444400312.

It is not a de Polignac number, because 21300444440241 - 2¹³ = 21300444432049 is a prime.

It is a super-3 number, since 3×21300444440241³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (21300444440243) 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, 4972710 + ... + 8205408.

It is an arithmetic number, because the mean of its divisors is an integer number (1784207947500).

Almost surely, 2^{21300444440241} is an apocalyptic number.

It is an amenable number.

21300444440241 is a deficient number, since it is larger than the sum of its proper divisors (7246882719759).

21300444440241 is a wasteful number, since it uses less digits than its factorization.

21300444440241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3244048.

The product of its (nonzero) digits is 49152, while the sum is 33.

Adding to 21300444440241 its reverse (14204444400312), we get a palindrome (35504888840553).

The spelling of 21300444440241 in words is "twenty-one trillion, three hundred billion, four hundred forty-four million, four hundred forty thousand, two hundred forty-one".