21230341641116 has 48 divisors (see below), whose sum is σ = 41788925085600. Its totient is φ = 9378085920768.

The previous prime is 21230341641109. The next prime is 21230341641137. The reversal of 21230341641116 is 61114614303212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75236021 + ... + 75517676.

It is an arithmetic number, because the mean of its divisors is an integer number (870602605950).

Almost surely, 2^{21230341641116} is an apocalyptic number.

It is an amenable number.

21230341641116 is a deficient number, since it is larger than the sum of its proper divisors (20558583444484).

21230341641116 is a wasteful number, since it uses less digits than its factorization.

21230341641116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150753846 (or 150753844 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

Adding to 21230341641116 its reverse (61114614303212), we get a palindrome (82344955944328).

The spelling of 21230341641116 in words is "twenty-one trillion, two hundred thirty billion, three hundred forty-one million, six hundred forty-one thousand, one hundred sixteen".