2211012220211 has 4 divisors (see below), whose sum is σ = 2224251814512. Its totient is φ = 2197772625912.

The previous prime is 2211012220189. The next prime is 2211012220217. The reversal of 2211012220211 is 1120222101122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2211012220211 - 2²² = 2211008025907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2211012220211.

It is not an unprimeable number, because it can be changed into a prime (2211012220217) 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, 6619796900 + ... + 6619797233.

It is an arithmetic number, because the mean of its divisors is an integer number (556062953628).

Almost surely, 2^{2211012220211} is an apocalyptic number.

2211012220211 is a deficient number, since it is larger than the sum of its proper divisors (13239594301).

2211012220211 is a wasteful number, since it uses less digits than its factorization.

2211012220211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13239594300.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2211012220211 its reverse (1120222101122), we get a palindrome (3331234321333).

The spelling of 2211012220211 in words is "two trillion, two hundred eleven billion, twelve million, two hundred twenty thousand, two hundred eleven".