112122201111 has 4 divisors (see below), whose sum is σ = 149496268152. Its totient is φ = 74748134072.

The previous prime is 112122201097. The next prime is 112122201127. The reversal of 112122201111 is 111102221211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112122201111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112122200111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18687033516 + ... + 18687033521.

It is an arithmetic number, because the mean of its divisors is an integer number (37374067038).

Almost surely, 2^112122201111 is an apocalyptic number.

112122201111 is a deficient number, since it is larger than the sum of its proper divisors (37374067041).

112122201111 is an equidigital number, since it uses as much as digits as its factorization.

112122201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37374067040.

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

Adding to 112122201111 its reverse (111102221211), we get a palindrome (223224422322).

The spelling of 112122201111 in words is "one hundred twelve billion, one hundred twenty-two million, two hundred one thousand, one hundred eleven".