12211200000011 has 4 divisors (see below), whose sum is σ = 12211326106392. Its totient is φ = 12211073893632.

The previous prime is 12211199999987. The next prime is 12211200000023. The reversal of 12211200000011 is 11000000211221.

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 12211200000011 - 2²² = 12211195805707 is a prime.

It is a super-2 number, since 2×12211200000011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12211199999938 and 12211200000001.

It is not an unprimeable number, because it can be changed into a prime (12211200000911) 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 3 ways as a sum of consecutive naturals, for example, 62907830 + ... + 63101643.

It is an arithmetic number, because the mean of its divisors is an integer number (3052831526598).

Almost surely, 2^{12211200000011} is an apocalyptic number.

12211200000011 is a deficient number, since it is larger than the sum of its proper divisors (126106381).

12211200000011 is an equidigital number, since it uses as much as digits as its factorization.

12211200000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126106380.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12211200000011 its reverse (11000000211221), we get a palindrome (23211200211232).

The spelling of 12211200000011 in words is "twelve trillion, two hundred eleven billion, two hundred million, eleven", and thus it is an aban number.