112222120111111 has 16 divisors (see below), whose sum is σ = 121939778764800. Its totient is φ = 102885620191200.

The previous prime is 112222120111099. The next prime is 112222120111151. The reversal of 112222120111111 is 111111021222211.

It is a cyclic number.

It is not a de Polignac number, because 112222120111111 - 2¹⁷ = 112222119980039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112222120111151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154018746 + ... + 154745656.

It is an arithmetic number, because the mean of its divisors is an integer number (7621236172800).

Almost surely, 2^{112222120111111} is an apocalyptic number.

112222120111111 is a deficient number, since it is larger than the sum of its proper divisors (9717658653689).

112222120111111 is a wasteful number, since it uses less digits than its factorization.

112222120111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989070.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 112222120111111 its reverse (111111021222211), we get a palindrome (223333141333322).

The spelling of 112222120111111 in words is "one hundred twelve trillion, two hundred twenty-two billion, one hundred twenty million, one hundred eleven thousand, one hundred eleven".