1112122112 has 18 divisors (see below), whose sum is σ = 2219900508. Its totient is φ = 556060928.

The previous prime is 1112122103. The next prime is 1112122147. The reversal of 1112122112 is 2112212111.

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 an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2171858 + ... + 2172369.

It is an arithmetic number, because the mean of its divisors is an integer number (123327806).

Almost surely, 2^1112122112 is an apocalyptic number.

It is an amenable number.

1112122112 is a deficient number, since it is larger than the sum of its proper divisors (1107778396).

1112122112 is an frugal number, since it uses more digits than its factorization.

1112122112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4344243 (or 4344229 counting only the distinct ones).

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

The square root of 1112122112 is about 33348.4948985708. The cubic root of 1112122112 is about 1036.0582149028.

Adding to 1112122112 its reverse (2112212111), we get a palindrome (3224334223).

It can be divided in two parts, 11121 and 22112, that added together give a palindrome (33233).

The spelling of 1112122112 in words is "one billion, one hundred twelve million, one hundred twenty-two thousand, one hundred twelve".