2211102221211 has 24 divisors (see below), whose sum is σ = 3471047339760. Its totient is φ = 1348194995136.

The previous prime is 2211102221203. The next prime is 2211102221233. The reversal of 2211102221211 is 1121222011122.

2211102221211 is a `hidden beast` number, since 221 + 1 + 10 + 2 + 221 + 211 = 666.

It is not a de Polignac number, because 2211102221211 - 2³ = 2211102221203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211102221281) 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 23 ways as a sum of consecutive naturals, for example, 86676741 + ... + 86702246.

It is an arithmetic number, because the mean of its divisors is an integer number (144626972490).

Almost surely, 2^{2211102221211} is an apocalyptic number.

2211102221211 is a deficient number, since it is larger than the sum of its proper divisors (1259945118549).

2211102221211 is a wasteful number, since it uses less digits than its factorization.

2211102221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173379115 (or 173379112 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 2211102221211 its reverse (1121222011122), we get a palindrome (3332324232333).

The spelling of 2211102221211 in words is "two trillion, two hundred eleven billion, one hundred two million, two hundred twenty-one thousand, two hundred eleven".