21441101043313 has 8 divisors (see below), whose sum is σ = 24504228861632. Its totient is φ = 18378001570896.

The previous prime is 21441101043269. The next prime is 21441101043371. The reversal of 21441101043313 is 31334010114412.

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-21441101043313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21441101043613) 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, 5440095 + ... + 8513332.

It is an arithmetic number, because the mean of its divisors is an integer number (3063028607704).

Almost surely, 2^{21441101043313} is an apocalyptic number.

It is an amenable number.

21441101043313 is a deficient number, since it is larger than the sum of its proper divisors (3063127818319).

21441101043313 is a wasteful number, since it uses less digits than its factorization.

21441101043313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14172951.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 21441101043313 its reverse (31334010114412), we get a palindrome (52775111157725).

The spelling of 21441101043313 in words is "twenty-one trillion, four hundred forty-one billion, one hundred one million, forty-three thousand, three hundred thirteen".