112122222211 has 4 divisors (see below), whose sum is σ = 112172034424. Its totient is φ = 112072410000.

The previous prime is 112122222203. The next prime is 112122222217. The reversal of 112122222211 is 112222221211.

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 112122222211 - 2³ = 112122222203 is a prime.

It is a super-3 number, since 3×112122222211³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112122222217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24902730 + ... + 24907231.

It is an arithmetic number, because the mean of its divisors is an integer number (28043008606).

Almost surely, 2^112122222211 is an apocalyptic number.

112122222211 is a deficient number, since it is larger than the sum of its proper divisors (49812213).

112122222211 is an equidigital number, since it uses as much as digits as its factorization.

112122222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49812212.

The product of its digits is 128, while the sum is 19.

Adding to 112122222211 its reverse (112222221211), we get a palindrome (224344443422).

The spelling of 112122222211 in words is "one hundred twelve billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred eleven".