21323332201168 has 10 divisors (see below), whose sum is σ = 41313956139794. Its totient is φ = 10661666100576.

The previous prime is 21323332201163. The next prime is 21323332201169. The reversal of 21323332201168 is 86110223332312.

It can be written as a sum of positive squares in only one way, i.e., 16754220748864 + 4569111452304 = 4093192^2 + 2137548^2 .

It is a super-2 number, since 2×21323332201168² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21323332201163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666354131271 + ... + 666354131302.

Almost surely, 2^{21323332201168} is an apocalyptic number.

It is an amenable number.

21323332201168 is a deficient number, since it is larger than the sum of its proper divisors (19990623938626).

21323332201168 is a wasteful number, since it uses less digits than its factorization.

21323332201168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332708262581 (or 1332708262575 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 21323332201168 in words is "twenty-one trillion, three hundred twenty-three billion, three hundred thirty-two million, two hundred one thousand, one hundred sixty-eight".