12110222121111 has 12 divisors (see below), whose sum is σ = 17496174544992. Its totient is φ = 8071805345856.

The previous prime is 12110222121083. The next prime is 12110222121131. The reversal of 12110222121111 is 11112122201121.

It is a happy number.

12110222121111 is a `hidden beast` number, since 1 + 211 + 0 + 222 + 121 + 111 = 666.

12110222121111 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 12110222121111 - 2⁵ = 12110222121079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110222121131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139626591 + ... + 139713296.

It is an arithmetic number, because the mean of its divisors is an integer number (1458014545416).

Almost surely, 2^{12110222121111} is an apocalyptic number.

12110222121111 is a deficient number, since it is larger than the sum of its proper divisors (5385952423881).

12110222121111 is a wasteful number, since it uses less digits than its factorization.

12110222121111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279344710 (or 279344707 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 12110222121111 its reverse (11112122201121), we get a palindrome (23222344322232).

The spelling of 12110222121111 in words is "twelve trillion, one hundred ten billion, two hundred twenty-two million, one hundred twenty-one thousand, one hundred eleven".