21130141321 has 8 divisors (see below), whose sum is σ = 21365697600. Its totient is φ = 20895835248.

The previous prime is 21130141273. The next prime is 21130141349. The reversal of 21130141321 is 12314103112.

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-21130141321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21130148321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278541 + ... + 346186.

It is an arithmetic number, because the mean of its divisors is an integer number (2670712200).

Almost surely, 2^21130141321 is an apocalyptic number.

It is an amenable number.

21130141321 is a deficient number, since it is larger than the sum of its proper divisors (235556279).

21130141321 is a wasteful number, since it uses less digits than its factorization.

21130141321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625103.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 21130141321 its reverse (12314103112), we get a palindrome (33444244433).

The spelling of 21130141321 in words is "twenty-one billion, one hundred thirty million, one hundred forty-one thousand, three hundred twenty-one".