221132210000 has 100 divisors (see below), whose sum is σ = 576566855172. Its totient is φ = 81648768000.

The previous prime is 221132209993. The next prime is 221132210041. The reversal of 221132210000 is 12231122.

It is a happy number.

221132210000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 10 ways, for example, as 204770730256 + 16361479744 = 452516^2 + 127912^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 720509 + ... + 980508.

Almost surely, 2^221132210000 is an apocalyptic number.

221132210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221132210000 is an abundant number, since it is smaller than the sum of its proper divisors (355434645172).

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

221132210000 is a wasteful number, since it uses less digits than its factorization.

221132210000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1701058 (or 1701037 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 221132210000 its reverse (12231122), we get a palindrome (221144441122).

The spelling of 221132210000 in words is "two hundred twenty-one billion, one hundred thirty-two million, two hundred ten thousand".