221032210000 has 100 divisors (see below), whose sum is σ = 611590003552. Its totient is φ = 75782448000.

The previous prime is 221032209997. The next prime is 221032210027. The reversal of 221032210000 is 12230122.

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, 1508802 + ... + 1648801.

Almost surely, 2^221032210000 is an apocalyptic number.

221032210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221032210000 is an abundant number, since it is smaller than the sum of its proper divisors (390557793552).

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

221032210000 is an equidigital number, since it uses as much as digits as its factorization.

221032210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3157638 (or 3157617 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 221032210000 its reverse (12230122), we get a palindrome (221044440122).

The spelling of 221032210000 in words is "two hundred twenty-one billion, thirty-two million, two hundred ten thousand".