221102002120222 has 16 divisors (see below), whose sum is σ = 332509949462880. Its totient is φ = 110265592647168.

The previous prime is 221102002120183. The next prime is 221102002120229. The reversal of 221102002120222 is 222021200201122.

It is a self number, because there is not a number n which added to its sum of digits gives 221102002120222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221102002120229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58245903 + ... + 61925674.

It is an arithmetic number, because the mean of its divisors is an integer number (20781871841430).

Almost surely, 2^{221102002120222} is an apocalyptic number.

221102002120222 is a deficient number, since it is larger than the sum of its proper divisors (111407947342658).

221102002120222 is a wasteful number, since it uses less digits than its factorization.

221102002120222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120173955.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 221102002120222 its reverse (222021200201122), we get a palindrome (443123202321344).

The spelling of 221102002120222 in words is "two hundred twenty-one trillion, one hundred two billion, two million, one hundred twenty thousand, two hundred twenty-two".