21232330321113 has 12 divisors (see below), whose sum is σ = 30669660431280. Its totient is φ = 14154545870136.

The previous prime is 21232330321079. The next prime is 21232330321123. The reversal of 21232330321113 is 31112303323212.

21232330321113 is a `hidden beast` number, since 2 + 1 + 2 + 3 + 2 + 330 + 321 + 1 + 1 + 3 = 666.

It is not a de Polignac number, because 21232330321113 - 2⁹ = 21232330320601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21232330321123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28022931 + ... + 28770632.

It is an arithmetic number, because the mean of its divisors is an integer number (2555805035940).

Almost surely, 2^{21232330321113} is an apocalyptic number.

It is an amenable number.

21232330321113 is a deficient number, since it is larger than the sum of its proper divisors (9437330110167).

21232330321113 is a wasteful number, since it uses less digits than its factorization.

21232330321113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56835108 (or 56835105 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 21232330321113 its reverse (31112303323212), we get a palindrome (52344633644325).

The spelling of 21232330321113 in words is "twenty-one trillion, two hundred thirty-two billion, three hundred thirty million, three hundred twenty-one thousand, one hundred thirteen".