2211120211211 has 16 divisors (see below), whose sum is σ = 2335651718400. Its totient is φ = 2089109513568.

The previous prime is 2211120211147. The next prime is 2211120211231. The reversal of 2211120211211 is 1121120211122.

It is not a de Polignac number, because 2211120211211 - 2⁶ = 2211120211147 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 2211120211211.

It is not an unprimeable number, because it can be changed into a prime (2211120211231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1125581 + ... + 2385198.

It is an arithmetic number, because the mean of its divisors is an integer number (145978232400).

Almost surely, 2^{2211120211211} is an apocalyptic number.

2211120211211 is a deficient number, since it is larger than the sum of its proper divisors (124531507189).

2211120211211 is a wasteful number, since it uses less digits than its factorization.

2211120211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3511138.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 2211120211211 its reverse (1121120211122), we get a palindrome (3332240422333).

The spelling of 2211120211211 in words is "two trillion, two hundred eleven billion, one hundred twenty million, two hundred eleven thousand, two hundred eleven".