21232230113 has 16 divisors (see below), whose sum is σ = 21767736000. Its totient is φ = 20703271680.

The previous prime is 21232230077. The next prime is 21232230127. The reversal of 21232230113 is 31103223212.

It is a cyclic number.

It is not a de Polignac number, because 21232230113 - 2⁶ = 21232230049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21232230133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3893813 + ... + 3899261.

It is an arithmetic number, because the mean of its divisors is an integer number (1360483500).

Almost surely, 2^21232230113 is an apocalyptic number.

It is an amenable number.

21232230113 is a deficient number, since it is larger than the sum of its proper divisors (535505887).

21232230113 is a wasteful number, since it uses less digits than its factorization.

21232230113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6032.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21232230113 its reverse (31103223212), we get a palindrome (52335453325).

The spelling of 21232230113 in words is "twenty-one billion, two hundred thirty-two million, two hundred thirty thousand, one hundred thirteen".