2212211222011 has 16 divisors (see below), whose sum is σ = 2677328786880. Its totient is φ = 1784396113920.

The previous prime is 2212211221993. The next prime is 2212211222021. The reversal of 2212211222011 is 1102221122122.

It is not a de Polignac number, because 2212211222011 - 2⁴¹ = 13187966459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2212211222011.

It is not an unprimeable number, because it can be changed into a prime (2212211222021) 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 15 ways as a sum of consecutive naturals, for example, 401950 + ... + 2141491.

It is an arithmetic number, because the mean of its divisors is an integer number (167333049180).

Almost surely, 2^{2212211222011} is an apocalyptic number.

2212211222011 is a deficient number, since it is larger than the sum of its proper divisors (465117564869).

2212211222011 is a wasteful number, since it uses less digits than its factorization.

2212211222011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2550774.

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

Adding to 2212211222011 its reverse (1102221122122), we get a palindrome (3314432344133).

The spelling of 2212211222011 in words is "two trillion, two hundred twelve billion, two hundred eleven million, two hundred twenty-two thousand, eleven".