21110304332000 has 384 divisors, whose sum is σ = 56115080985600. Its totient is φ = 7758780825600.

The previous prime is 21110304331999. The next prime is 21110304332011. The reversal of 21110304332000 is 23340301112.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13471795217 + ... + 13471796783.

It is an arithmetic number, because the mean of its divisors is an integer number (146133023400).

Almost surely, 2^{21110304332000} is an apocalyptic number.

21110304332000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21110304332000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28057540492800).

21110304332000 is an abundant number, since it is smaller than the sum of its proper divisors (35004776653600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21110304332000 is a wasteful number, since it uses less digits than its factorization.

21110304332000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631 (or 2613 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21110304332000 its reverse (23340301112), we get a palindrome (21133644633112).

The spelling of 21110304332000 in words is "twenty-one trillion, one hundred ten billion, three hundred four million, three hundred thirty-two thousand".