222102221000 has 128 divisors (see below), whose sum is σ = 567284065920. Its totient is φ = 80719200000.

The previous prime is 222102220999. The next prime is 222102221009. The reversal of 222102221000 is 122201222.

222102221000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (222102221009) 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 31 ways as a sum of consecutive naturals, for example, 24426455 + ... + 24435545.

It is an arithmetic number, because the mean of its divisors is an integer number (4431906765).

Almost surely, 2^222102221000 is an apocalyptic number.

222102221000 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 222102221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283642032960).

222102221000 is an abundant number, since it is smaller than the sum of its proper divisors (345181844920).

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

222102221000 is a wasteful number, since it uses less digits than its factorization.

222102221000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11344 (or 11330 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222102221000 its reverse (122201222), we get a palindrome (222224422222).

It can be divided in two parts, 22210222 and 1000, that added together give a palindrome (22211222).

The spelling of 222102221000 in words is "two hundred twenty-two billion, one hundred two million, two hundred twenty-one thousand".