21044302143241 has 24 divisors (see below), whose sum is σ = 24312249317664. Its totient is φ = 18143268698880.

The previous prime is 21044302143203. The next prime is 21044302143283. The reversal of 21044302143241 is 14234120344012.

It is a happy number.

It is not a de Polignac number, because 21044302143241 - 2¹⁵ = 21044302110473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21044302143941) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27581091 + ... + 28333816.

It is an arithmetic number, because the mean of its divisors is an integer number (1013010388236).

Almost surely, 2^{21044302143241} is an apocalyptic number.

It is an amenable number.

21044302143241 is a deficient number, since it is larger than the sum of its proper divisors (3267947174423).

21044302143241 is a wasteful number, since it uses less digits than its factorization.

21044302143241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55915081 (or 55915068 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 21044302143241 its reverse (14234120344012), we get a palindrome (35278422487253).

The spelling of 21044302143241 in words is "twenty-one trillion, forty-four billion, three hundred two million, one hundred forty-three thousand, two hundred forty-one".