21100233003232 has 24 divisors (see below), whose sum is σ = 41542077162096. Its totient is φ = 10549864200192.

The previous prime is 21100233003163. The next prime is 21100233003233. The reversal of 21100233003232 is 23230033200112.

It is a super-2 number, since 2×21100233003232² (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 (21100233003233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6521793 + ... + 9205120.

It is an arithmetic number, because the mean of its divisors is an integer number (1730919881754).

Almost surely, 2^{21100233003232} is an apocalyptic number.

It is an amenable number.

21100233003232 is a deficient number, since it is larger than the sum of its proper divisors (20441844158864).

21100233003232 is a wasteful number, since it uses less digits than its factorization.

21100233003232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15768850 (or 15768842 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 21100233003232 its reverse (23230033200112), we get a palindrome (44330266203344).

The spelling of 21100233003232 in words is "twenty-one trillion, one hundred billion, two hundred thirty-three million, three thousand, two hundred thirty-two".