221332010000 has 200 divisors, whose sum is σ = 577031415840. Its totient is φ = 81908992000.

The previous prime is 221332009993. The next prime is 221332010023. The reversal of 221332010000 is 10233122.

It is a happy number.

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

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, 10018967 + ... + 10041033.

Almost surely, 2^221332010000 is an apocalyptic number.

221332010000 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 221332010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288515707920).

221332010000 is an abundant number, since it is smaller than the sum of its proper divisors (355699405840).

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

221332010000 is a wasteful number, since it uses less digits than its factorization.

221332010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22171 (or 22150 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 221332010000 its reverse (10233122), we get a palindrome (221342243122).

The spelling of 221332010000 in words is "two hundred twenty-one billion, three hundred thirty-two million, ten thousand".