12211119221911 has 4 divisors (see below), whose sum is σ = 12211498611000. Its totient is φ = 12210739832824.

The previous prime is 12211119221891. The next prime is 12211119221921. The reversal of 12211119221911 is 11912291111221.

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 12211119221911 - 2⁵ = 12211119221879 is a prime.

It is a super-2 number, since 2×12211119221911² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211119221921) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189646261 + ... + 189710638.

It is an arithmetic number, because the mean of its divisors is an integer number (3052874652750).

Almost surely, 2^{12211119221911} is an apocalyptic number.

12211119221911 is a deficient number, since it is larger than the sum of its proper divisors (379389089).

12211119221911 is an equidigital number, since it uses as much as digits as its factorization.

12211119221911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379389088.

The product of its digits is 1296, while the sum is 34.

The spelling of 12211119221911 in words is "twelve trillion, two hundred eleven billion, one hundred nineteen million, two hundred twenty-one thousand, nine hundred eleven".