21223032330000 has 200 divisors, whose sum is σ = 68694489326848. Its totient is φ = 5644299456000.

The previous prime is 21223032329987. The next prime is 21223032330013. The reversal of 21223032330000 is 3323032212.

It is an interprime number because it is at equal distance from previous prime (21223032329987) and next prime (21223032330013).

It is a tau number, because it is divible by the number of its divisors (200).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10241697 + ... + 12138303.

Almost surely, 2^{21223032330000} is an apocalyptic number.

21223032330000 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 21223032330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34347244663424).

21223032330000 is an abundant number, since it is smaller than the sum of its proper divisors (47471456996848).

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

21223032330000 is a wasteful number, since it uses less digits than its factorization.

21223032330000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1897011 (or 1896990 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 21.

Adding to 21223032330000 its reverse (3323032212), we get a palindrome (21226355362212).

The spelling of 21223032330000 in words is "twenty-one trillion, two hundred twenty-three billion, thirty-two million, three hundred thirty thousand".