12211202211 has 32 divisors (see below), whose sum is σ = 18210769920. Its totient is φ = 7229981184.

The previous prime is 12211202197. The next prime is 12211202261. The reversal of 12211202211 is 11220211221.

12211202211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12211202211 - 2⁷ = 12211202083 is a prime.

It is a super-2 number, since 2×12211202211² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211202261) 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 31 ways as a sum of consecutive naturals, for example, 51691 + ... + 164603.

It is an arithmetic number, because the mean of its divisors is an integer number (569086560).

Almost surely, 2^12211202211 is an apocalyptic number.

12211202211 is a deficient number, since it is larger than the sum of its proper divisors (5999567709).

12211202211 is a wasteful number, since it uses less digits than its factorization.

12211202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113035.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12211202211 its reverse (11220211221), we get a palindrome (23431413432).

The spelling of 12211202211 in words is "twelve billion, two hundred eleven million, two hundred two thousand, two hundred eleven".