12221102011011 has 64 divisors (see below), whose sum is σ = 16603012005888. Its totient is φ = 7995371908608.

The previous prime is 12221102011007. The next prime is 12221102011033. The reversal of 12221102011011 is 11011020112221.

It is a happy number.

12221102011011 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 12221102011011 - 2² = 12221102011007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12221102011051) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11496802866 + ... + 11496803928.

It is an arithmetic number, because the mean of its divisors is an integer number (259422062592).

Almost surely, 2^{12221102011011} is an apocalyptic number.

12221102011011 is a deficient number, since it is larger than the sum of its proper divisors (4381909994877).

12221102011011 is a wasteful number, since it uses less digits than its factorization.

12221102011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12221102011011 its reverse (11011020112221), we get a palindrome (23232122123232).

The spelling of 12221102011011 in words is "twelve trillion, two hundred twenty-one billion, one hundred two million, eleven thousand, eleven".