221201102222 has 8 divisors (see below), whose sum is σ = 336474916272. Its totient is φ = 109042796800.

The previous prime is 221201102207. The next prime is 221201102279. The reversal of 221201102222 is 222201102122.

It is a happy number.

221201102222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 221201102222.

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 3 ways as a sum of consecutive naturals, for example, 778876979 + ... + 778877262.

It is an arithmetic number, because the mean of its divisors is an integer number (42059364534).

Almost surely, 2^221201102222 is an apocalyptic number.

221201102222 is a deficient number, since it is larger than the sum of its proper divisors (115273814050).

221201102222 is a wasteful number, since it uses less digits than its factorization.

221201102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557754314.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 221201102222 its reverse (222201102122), we get a palindrome (443402204344).

The spelling of 221201102222 in words is "two hundred twenty-one billion, two hundred one million, one hundred two thousand, two hundred twenty-two".