221002000321230 has 96 divisors (see below), whose sum is σ = 574770644716320. Its totient is φ = 58916900655360.

The previous prime is 221002000321213. The next prime is 221002000321231. The reversal of 221002000321230 is 32123000200122.

221002000321230 is a `hidden beast` number, since 2 + 210 + 0 + 200 + 0 + 3 + 21 + 230 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221002000321231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6678596985 + ... + 6678630075.

It is an arithmetic number, because the mean of its divisors is an integer number (5987194215795).

Almost surely, 2^{221002000321230} is an apocalyptic number.

221002000321230 is an abundant number, since it is smaller than the sum of its proper divisors (353768644395090).

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

221002000321230 is a wasteful number, since it uses less digits than its factorization.

221002000321230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52226 (or 52223 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 221002000321230 its reverse (32123000200122), we get a palindrome (253125000521352).

The spelling of 221002000321230 in words is "two hundred twenty-one trillion, two billion, three hundred twenty-one thousand, two hundred thirty".