221102301222 has 24 divisors (see below), whose sum is σ = 522605439720. Its totient is φ = 67000697280.

The previous prime is 221102301139. The next prime is 221102301239. The reversal of 221102301222 is 222103201122.

221102301222 is a `hidden beast` number, since 2 + 211 + 0 + 230 + 1 + 222 = 666.

221102301222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 221102301195 and 221102301204.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 558338947 + ... + 558339342.

It is an arithmetic number, because the mean of its divisors is an integer number (21775226655).

Almost surely, 2^221102301222 is an apocalyptic number.

221102301222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

221102301222 is an abundant number, since it is smaller than the sum of its proper divisors (301503138498).

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

221102301222 is a wasteful number, since it uses less digits than its factorization.

221102301222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116678308 (or 1116678305 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 221102301222 its reverse (222103201122), we get a palindrome (443205502344).

The spelling of 221102301222 in words is "two hundred twenty-one billion, one hundred two million, three hundred one thousand, two hundred twenty-two".