12211200011 has 4 divisors (see below), whose sum is σ = 12929505912. Its totient is φ = 11492894112.

The previous prime is 12211200007. The next prime is 12211200013. The reversal of 12211200011 is 11000211221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11000211221 = 109 ⋅100919369.

It is a cyclic number.

It is not a de Polignac number, because 12211200011 - 2² = 12211200007 is a prime.

It is a super-2 number, since 2×12211200011² (a number of 21 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 = 12211199965 and 12211200001.

It is not an unprimeable number, because it can be changed into a prime (12211200013) 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, 359152925 + ... + 359152958.

It is an arithmetic number, because the mean of its divisors is an integer number (3232376478).

Almost surely, 2^12211200011 is an apocalyptic number.

12211200011 is a deficient number, since it is larger than the sum of its proper divisors (718305901).

12211200011 is an equidigital number, since it uses as much as digits as its factorization.

12211200011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718305900.

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

Adding to 12211200011 its reverse (11000211221), we get a palindrome (23211411232).

The spelling of 12211200011 in words is "twelve billion, two hundred eleven million, two hundred thousand, eleven".