112120222211111 has 4 divisors (see below), whose sum is σ = 113230323421224. Its totient is φ = 111010121001000.

The previous prime is 112120222211099. The next prime is 112120222211141. The reversal of 112120222211111 is 111112222021211.

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 112120222211111 - 2³⁸ = 111845344304167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112120222211141) 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, 555050604905 + ... + 555050605106.

It is an arithmetic number, because the mean of its divisors is an integer number (28307580855306).

Almost surely, 2^{112120222211111} is an apocalyptic number.

112120222211111 is a deficient number, since it is larger than the sum of its proper divisors (1110101210113).

112120222211111 is a wasteful number, since it uses less digits than its factorization.

112120222211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110101210112.

The product of its (nonzero) digits is 64, while the sum is 20.

Adding to 112120222211111 its reverse (111112222021211), we get a palindrome (223232444232322).

The spelling of 112120222211111 in words is "one hundred twelve trillion, one hundred twenty billion, two hundred twenty-two million, two hundred eleven thousand, one hundred eleven".