1122112112 has 20 divisors (see below), whose sum is σ = 2371737336. Its totient is φ = 510050880.

The previous prime is 1122112099. The next prime is 1122112151. The reversal of 1122112112 is 2112112211.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3187643 + ... + 3187994.

Almost surely, 2^1122112112 is an apocalyptic number.

It is an amenable number.

1122112112 is an abundant number, since it is smaller than the sum of its proper divisors (1249625224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122112112 is a wasteful number, since it uses less digits than its factorization.

1122112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6375656 (or 6375650 counting only the distinct ones).

The product of its digits is 16, while the sum is 14.

The square root of 1122112112 is about 33497.9419069291. The cubic root of 1122112112 is about 1039.1512157468.

Adding to 1122112112 its reverse (2112112211), we get a palindrome (3234224323).

Subtracting 1122112112 from its reverse (2112112211), we obtain a palindrome (990000099).

It can be divided in two parts, 112211 and 2112, that multiplied together give a palindrome (236989632).

The spelling of 1122112112 in words is "one billion, one hundred twenty-two million, one hundred twelve thousand, one hundred twelve".