221010022100222 has 8 divisors (see below), whose sum is σ = 333431305018776. Its totient is φ = 109866253760632.

The previous prime is 221010022100183. The next prime is 221010022100227. The reversal of 221010022100222 is 222001220010122.

It is a happy number.

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 221010022100222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221010022100227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 319378644308 + ... + 319378644999.

It is an arithmetic number, because the mean of its divisors is an integer number (41678913127347).

Almost surely, 2^{221010022100222} is an apocalyptic number.

221010022100222 is a deficient number, since it is larger than the sum of its proper divisors (112421282918554).

221010022100222 is a wasteful number, since it uses less digits than its factorization.

221010022100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638757289482.

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

Adding to 221010022100222 its reverse (222001220010122), we get a palindrome (443011242110344).

The spelling of 221010022100222 in words is "two hundred twenty-one trillion, ten billion, twenty-two million, one hundred thousand, two hundred twenty-two".