1112220222112 has 24 divisors (see below), whose sum is σ = 2189869668756. Its totient is φ = 556062845952.

The previous prime is 1112220222109. The next prime is 1112220222187. The reversal of 1112220222112 is 2112220222111.

It can be written as a sum of positive squares in 2 ways, for example, as 1004717550736 + 107502671376 = 1002356^2 + 327876^2 .

It is a super-2 number, since 2×1112220222112² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1112220222112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1093113 + ... + 1849144.

Almost surely, 2^{1112220222112} is an apocalyptic number.

It is an amenable number.

1112220222112 is a deficient number, since it is larger than the sum of its proper divisors (1077649446644).

1112220222112 is a wasteful number, since it uses less digits than its factorization.

1112220222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2954080 (or 2954072 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1112220222112 its reverse (2112220222111), we get a palindrome (3224440444223).

Subtracting 1112220222112 from its reverse (2112220222111), we obtain a palindrome (999999999999).

The spelling of 1112220222112 in words is "one trillion, one hundred twelve billion, two hundred twenty million, two hundred twenty-two thousand, one hundred twelve".