2222011221211 has 4 divisors (see below), whose sum is σ = 2222014310712. Its totient is φ = 2222008131712.

The previous prime is 2222011221187. The next prime is 2222011221253. The reversal of 2222011221211 is 1121221102222.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2222011221211 - 2¹¹ = 2222011219163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222011221271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164475 + ... + 2114491.

It is an arithmetic number, because the mean of its divisors is an integer number (555503577678).

Almost surely, 2^{2222011221211} is an apocalyptic number.

2222011221211 is a deficient number, since it is larger than the sum of its proper divisors (3089501).

2222011221211 is a wasteful number, since it uses less digits than its factorization.

2222011221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089500.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 2222011221211 its reverse (1121221102222), we get a palindrome (3343232323433).

The spelling of 2222011221211 in words is "two trillion, two hundred twenty-two billion, eleven million, two hundred twenty-one thousand, two hundred eleven".