21223332120000 has 280 divisors, whose sum is σ = 73862416460800. Its totient is φ = 5361683328000.

The previous prime is 21223332119999. The next prime is 21223332120013. The reversal of 21223332120000 is 2123332212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2374240 + ... + 6934239.

Almost surely, 2^{21223332120000} is an apocalyptic number.

21223332120000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21223332120000 is an abundant number, since it is smaller than the sum of its proper divisors (52639084340800).

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

21223332120000 is an equidigital number, since it uses as much as digits as its factorization.

21223332120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9308533 (or 9308508 counting only the distinct ones).

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

Adding to 21223332120000 its reverse (2123332212), we get a palindrome (21225455452212).

The spelling of 21223332120000 in words is "twenty-one trillion, two hundred twenty-three billion, three hundred thirty-two million, one hundred twenty thousand".