21024333221041 has 8 divisors (see below), whose sum is σ = 22131264240800. Its totient is φ = 19917440917920.

The previous prime is 21024333220997. The next prime is 21024333221057. The reversal of 21024333221041 is 14012233342012.

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 21024333221041 - 2²⁹ = 21023796350129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21024333221741) 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, 8561196 + ... + 10739773.

It is an arithmetic number, because the mean of its divisors is an integer number (2766408030100).

Almost surely, 2^{21024333221041} is an apocalyptic number.

It is an amenable number.

21024333221041 is a deficient number, since it is larger than the sum of its proper divisors (1106931019759).

21024333221041 is a wasteful number, since it uses less digits than its factorization.

21024333221041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19358319.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 21024333221041 its reverse (14012233342012), we get a palindrome (35036566563053).

The spelling of 21024333221041 in words is "twenty-one trillion, twenty-four billion, three hundred thirty-three million, two hundred twenty-one thousand, forty-one".