221102220202222 has 8 divisors (see below), whose sum is σ = 333849709974672. Its totient is φ = 109818983544000.

The previous prime is 221102220202181. The next prime is 221102220202349. The reversal of 221102220202222 is 222202022201122.

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

It is a junction number, because it is equal to n+sod(n) for n = 221102220202193 and 221102220202202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 366063278179 + ... + 366063278782.

It is an arithmetic number, because the mean of its divisors is an integer number (41731213746834).

Almost surely, 2^{221102220202222} is an apocalyptic number.

221102220202222 is a deficient number, since it is larger than the sum of its proper divisors (112747489772450).

221102220202222 is a wasteful number, since it uses less digits than its factorization.

221102220202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732126557114.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 221102220202222 its reverse (222202022201122), we get a palindrome (443304242403344).

The spelling of 221102220202222 in words is "two hundred twenty-one trillion, one hundred two billion, two hundred twenty million, two hundred two thousand, two hundred twenty-two".