2211211100222 has 4 divisors (see below), whose sum is σ = 3316816650336. Its totient is φ = 1105605550110.

The previous prime is 2211211100143. The next prime is 2211211100243. The reversal of 2211211100222 is 2220011121122.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2211211100222.

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 as a sum of consecutive naturals, namely, 552802775054 + ... + 552802775057.

It is an arithmetic number, because the mean of its divisors is an integer number (829204162584).

Almost surely, 2^{2211211100222} is an apocalyptic number.

2211211100222 is a deficient number, since it is larger than the sum of its proper divisors (1105605550114).

2211211100222 is a wasteful number, since it uses less digits than its factorization.

2211211100222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105605550113.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2211211100222 its reverse (2220011121122), we get a palindrome (4431222221344).

The spelling of 2211211100222 in words is "two trillion, two hundred eleven billion, two hundred eleven million, one hundred thousand, two hundred twenty-two".