112111211122 has 4 divisors (see below), whose sum is σ = 168166816686. Its totient is φ = 56055605560.

The previous prime is 112111211117. The next prime is 112111211171. The reversal of 112111211122 is 221112111211.

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

It can be written as a sum of positive squares in only one way, i.e., 103329459601 + 8781751521 = 321449^2 + 93711^2 .

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 112111211096 and 112111211105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28027802779 + ... + 28027802782.

Almost surely, 2^112111211122 is an apocalyptic number.

112111211122 is a deficient number, since it is larger than the sum of its proper divisors (56055605564).

112111211122 is an equidigital number, since it uses as much as digits as its factorization.

112111211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56055605563.

The product of its digits is 16, while the sum is 16.

Adding to 112111211122 its reverse (221112111211), we get a palindrome (333223322333).

The spelling of 112111211122 in words is "one hundred twelve billion, one hundred eleven million, two hundred eleven thousand, one hundred twenty-two".