21303033322132 has 24 divisors (see below), whose sum is σ = 37598542682400. Its totient is φ = 10560904475616.

The previous prime is 21303033322099. The next prime is 21303033322133. The reversal of 21303033322132 is 23122333030312.

It is a self number, because there is not a number n which added to its sum of digits gives 21303033322132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21303033322133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38716507 + ... + 39262882.

It is an arithmetic number, because the mean of its divisors is an integer number (1566605945100).

Almost surely, 2^{21303033322132} is an apocalyptic number.

It is an amenable number.

21303033322132 is a deficient number, since it is larger than the sum of its proper divisors (16295509360268).

21303033322132 is a wasteful number, since it uses less digits than its factorization.

21303033322132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77979975 (or 77979973 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 28.

Adding to 21303033322132 its reverse (23122333030312), we get a palindrome (44425366352444).

The spelling of 21303033322132 in words is "twenty-one trillion, three hundred three billion, thirty-three million, three hundred twenty-two thousand, one hundred thirty-two".