21230010441 has 8 divisors (see below), whose sum is σ = 31451867360. Its totient is φ = 14153340276.

The previous prime is 21230010419. The next prime is 21230010467. The reversal of 21230010441 is 14401003212.

21230010441 is a `hidden beast` number, since 212 + 3 + 0 + 0 + 10 + 441 = 666.

It is not a de Polignac number, because 21230010441 - 2⁷ = 21230010313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21230010481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 393148315 + ... + 393148368.

It is an arithmetic number, because the mean of its divisors is an integer number (3931483420).

Almost surely, 2^21230010441 is an apocalyptic number.

It is an amenable number.

21230010441 is a deficient number, since it is larger than the sum of its proper divisors (10221856919).

21230010441 is an equidigital number, since it uses as much as digits as its factorization.

21230010441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786296692 (or 786296686 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 21230010441 its reverse (14401003212), we get a palindrome (35631013653).

The spelling of 21230010441 in words is "twenty-one billion, two hundred thirty million, ten thousand, four hundred forty-one".