2122110221211 has 24 divisors (see below), whose sum is σ = 3199723944144. Its totient is φ = 1353938276160.

The previous prime is 2122110221207. The next prime is 2122110221219. The reversal of 2122110221211 is 1121220112212.

2122110221211 is a `hidden beast` number, since 2 + 1 + 221 + 10 + 221 + 211 = 666.

It is not a de Polignac number, because 2122110221211 - 2² = 2122110221207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2122110221219) 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, 52214961 + ... + 52255586.

It is an arithmetic number, because the mean of its divisors is an integer number (133321831006).

Almost surely, 2^{2122110221211} is an apocalyptic number.

2122110221211 is a deficient number, since it is larger than the sum of its proper divisors (1077613722933).

2122110221211 is a wasteful number, since it uses less digits than its factorization.

2122110221211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104470651 (or 104470648 counting only the distinct ones).

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

Adding to 2122110221211 its reverse (1121220112212), we get a palindrome (3243330333423).

The spelling of 2122110221211 in words is "two trillion, one hundred twenty-two billion, one hundred ten million, two hundred twenty-one thousand, two hundred eleven".