2211112220211 has 10 divisors (see below), whose sum is σ = 3303019489572. Its totient is φ = 1474074813420.

The previous prime is 2211112220203. The next prime is 2211112220263. The reversal of 2211112220211 is 1120222111122.

2211112220211 is a `hidden beast` number, since 221 + 1 + 1 + 12 + 220 + 211 = 666.

It is not a de Polignac number, because 2211112220211 - 2³ = 2211112220203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2211112220311) by changing a digit.

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 in 9 ways as a sum of consecutive naturals, for example, 13648840785 + ... + 13648840946.

Almost surely, 2^{2211112220211} is an apocalyptic number.

2211112220211 is a deficient number, since it is larger than the sum of its proper divisors (1091907269361).

2211112220211 is an equidigital number, since it uses as much as digits as its factorization.

2211112220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27297681743 (or 27297681734 counting only the distinct ones).

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

Adding to 2211112220211 its reverse (1120222111122), we get a palindrome (3331334331333).

The spelling of 2211112220211 in words is "two trillion, two hundred eleven billion, one hundred twelve million, two hundred twenty thousand, two hundred eleven".