2211002012222 has 4 divisors (see below), whose sum is σ = 3316503018336. Its totient is φ = 1105501006110.

The previous prime is 2211002012189. The next prime is 2211002012237. The reversal of 2211002012222 is 2222102001122.

It is a happy number.

2211002012222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2211002012222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552750503054 + ... + 552750503057.

It is an arithmetic number, because the mean of its divisors is an integer number (829125754584).

Almost surely, 2^{2211002012222} is an apocalyptic number.

2211002012222 is a deficient number, since it is larger than the sum of its proper divisors (1105501006114).

2211002012222 is a wasteful number, since it uses less digits than its factorization.

2211002012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105501006113.

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

Adding to 2211002012222 its reverse (2222102001122), we get a palindrome (4433104013344).

It can be divided in two parts, 221100 and 2012222, that added together give a palindrome (2233322).

The spelling of 2211002012222 in words is "two trillion, two hundred eleven billion, two million, twelve thousand, two hundred twenty-two".