212212101102222 has 16 divisors (see below), whose sum is σ = 457072217758800. Its totient is φ = 65296031108352.

The previous prime is 212212101102191. The next prime is 212212101102227. The reversal of 212212101102222 is 222201101212212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212212101102227) 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, 1360333981347 + ... + 1360333981502.

It is an arithmetic number, because the mean of its divisors is an integer number (28567013609925).

Almost surely, 2^{212212101102222} is an apocalyptic number.

212212101102222 is an abundant number, since it is smaller than the sum of its proper divisors (244860116656578).

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

212212101102222 is a wasteful number, since it uses less digits than its factorization.

212212101102222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720667962867.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 212212101102222 its reverse (222201101212212), we get a palindrome (434413202314434).

The spelling of 212212101102222 in words is "two hundred twelve trillion, two hundred twelve billion, one hundred one million, one hundred two thousand, two hundred twenty-two".