21223102332000 has 96 divisors (see below), whose sum is σ = 69526883278944. Its totient is φ = 5659493952000.

The previous prime is 21223102331911. The next prime is 21223102332001. The reversal of 21223102332000 is 23320132212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21223102332001) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 884283931 + ... + 884307930.

It is an arithmetic number, because the mean of its divisors is an integer number (724238367489).

Almost surely, 2^{21223102332000} is an apocalyptic number.

21223102332000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21223102332000 is an abundant number, since it is smaller than the sum of its proper divisors (48303780946944).

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

21223102332000 is a wasteful number, since it uses less digits than its factorization.

21223102332000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768591889 (or 1768591871 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 21223102332000 its reverse (23320132212), we get a palindrome (21246422464212).

The spelling of 21223102332000 in words is "twenty-one trillion, two hundred twenty-three billion, one hundred two million, three hundred thirty-two thousand".