21004213304141 has 8 divisors (see below), whose sum is σ = 21011381553600. Its totient is φ = 20997045989920.

The previous prime is 21004213304111. The next prime is 21004213304153. The reversal of 21004213304141 is 14140331240012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21004213304141 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 21004213304141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21004213304111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46258070 + ... + 46709928.

It is an arithmetic number, because the mean of its divisors is an integer number (2626422694200).

Almost surely, 2^{21004213304141} is an apocalyptic number.

It is an amenable number.

21004213304141 is a deficient number, since it is larger than the sum of its proper divisors (7168249459).

21004213304141 is a wasteful number, since it uses less digits than its factorization.

21004213304141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467619.

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 21004213304141 its reverse (14140331240012), we get a palindrome (35144544544153).

The spelling of 21004213304141 in words is "twenty-one trillion, four billion, two hundred thirteen million, three hundred four thousand, one hundred forty-one".