12211220320011 has 24 divisors (see below), whose sum is σ = 18247375420560. Its totient is φ = 7859783803200.

The previous prime is 12211220320003. The next prime is 12211220320097. The reversal of 12211220320011 is 11002302211221.

12211220320011 is a `hidden beast` number, since 1 + 221 + 122 + 0 + 320 + 0 + 1 + 1 = 666.

12211220320011 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 12211220320011 - 2³ = 12211220320003 is a prime.

It is a super-2 number, since 2×12211220320011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211220325011) 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, 5750296 + ... + 7582106.

It is an arithmetic number, because the mean of its divisors is an integer number (760307309190).

Almost surely, 2^{12211220320011} is an apocalyptic number.

12211220320011 is a deficient number, since it is larger than the sum of its proper divisors (6036155100549).

12211220320011 is a wasteful number, since it uses less digits than its factorization.

12211220320011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857387 (or 1857384 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12211220320011 its reverse (11002302211221), we get a palindrome (23213522531232).

The spelling of 12211220320011 in words is "twelve trillion, two hundred eleven billion, two hundred twenty million, three hundred twenty thousand, eleven".