12110221102011 has 4 divisors (see below), whose sum is σ = 16146961469352. Its totient is φ = 8073480734672.

The previous prime is 12110221101997. The next prime is 12110221102013. The reversal of 12110221102011 is 11020112201121.

It is a happy number.

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 12110221102011 - 2⁶ = 12110221101947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12110221102013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2018370183666 + ... + 2018370183671.

It is an arithmetic number, because the mean of its divisors is an integer number (4036740367338).

Almost surely, 2^{12110221102011} is an apocalyptic number.

12110221102011 is a deficient number, since it is larger than the sum of its proper divisors (4036740367341).

12110221102011 is an equidigital number, since it uses as much as digits as its factorization.

12110221102011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4036740367340.

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

Adding to 12110221102011 its reverse (11020112201121), we get a palindrome (23130333303132).

The spelling of 12110221102011 in words is "twelve trillion, one hundred ten billion, two hundred twenty-one million, one hundred two thousand, eleven".