10001440240221 has 8 divisors (see below), whose sum is σ = 13335268624480. Its totient is φ = 6667619341392.

The previous prime is 10001440240201. The next prime is 10001440240243. The reversal of 10001440240221 is 12204204410001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10001440240221 - 2¹⁴ = 10001440223837 is a prime.

It is a super-2 number, since 2×10001440240221² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10001440240201) 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, 3243135 + ... + 5524563.

It is an arithmetic number, because the mean of its divisors is an integer number (1666908578060).

Almost surely, 2^{10001440240221} is an apocalyptic number.

It is an amenable number.

10001440240221 is a deficient number, since it is larger than the sum of its proper divisors (3333828384259).

10001440240221 is a wasteful number, since it uses less digits than its factorization.

10001440240221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742715.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 10001440240221 its reverse (12204204410001), we get a palindrome (22205644650222).

The spelling of 10001440240221 in words is "ten trillion, one billion, four hundred forty million, two hundred forty thousand, two hundred twenty-one".