12111202202211 has 24 divisors (see below), whose sum is σ = 19993190154080. Its totient is φ = 6920654276736.

The previous prime is 12111202202189. The next prime is 12111202202243. The reversal of 12111202202211 is 11220220211121.

12111202202211 is a `hidden beast` number, since 1 + 211 + 1 + 20 + 220 + 2 + 211 = 666.

It is not a de Polignac number, because 12111202202211 - 2⁵ = 12111202202179 is a prime.

It is a super-2 number, since 2×12111202202211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12111202202261) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20875095 + ... + 21447423.

Almost surely, 2^{12111202202211} is an apocalyptic number.

12111202202211 is a deficient number, since it is larger than the sum of its proper divisors (7881987951869).

12111202202211 is a wasteful number, since it uses less digits than its factorization.

12111202202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908235 (or 908232 counting only the distinct ones).

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

Adding to 12111202202211 its reverse (11220220211121), we get a palindrome (23331422413332).

The spelling of 12111202202211 in words is "twelve trillion, one hundred eleven billion, two hundred two million, two hundred two thousand, two hundred eleven".