1122222222112 has 24 divisors (see below), whose sum is σ = 2235993980976. Its totient is φ = 554350734912.

The previous prime is 1122222222053. The next prime is 1122222222127. The reversal of 1122222222112 is 2112222222211.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 211259058 + ... + 211264369.

It is an arithmetic number, because the mean of its divisors is an integer number (93166415874).

Almost surely, 2^{1122222222112} is an apocalyptic number.

It is an amenable number.

1122222222112 is a deficient number, since it is larger than the sum of its proper divisors (1113771758864).

1122222222112 is an equidigital number, since it uses as much as digits as its factorization.

1122222222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422523520 (or 422523512 counting only the distinct ones).

The product of its digits is 512, while the sum is 22.

Adding to 1122222222112 its reverse (2112222222211), we get a palindrome (3234444444323).

Subtracting 1122222222112 from its reverse (2112222222211), we obtain a palindrome (990000000099).

It can be divided in two parts, 112222222211 and 2, that multiplied together give a palindrome (224444444422).

The spelling of 1122222222112 in words is "one trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred twelve".