1111112012 has 12 divisors (see below), whose sum is σ = 1944703656. Its totient is φ = 555482400.

The previous prime is 1111111999. The next prime is 1111112021. The reversal of 1111112012 is 2102111111.

It is a super-3 number, since 3×1111112012³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1111111984 and 1111112002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29303 + ... + 55505.

It is an arithmetic number, because the mean of its divisors is an integer number (162058638).

Almost surely, 2^1111112012 is an apocalyptic number.

It is an amenable number.

1111112012 is a deficient number, since it is larger than the sum of its proper divisors (833591644).

1111112012 is a wasteful number, since it uses less digits than its factorization.

1111112012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36808 (or 36806 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

The square root of 1111112012 is about 33333.3468466639. The cubic root of 1111112012 is about 1035.7444485783.

Adding to 1111112012 its reverse (2102111111), we get a palindrome (3213223123).

Subtracting 1111112012 from its reverse (2102111111), we obtain a palindrome (990999099).

The spelling of 1111112012 in words is "one billion, one hundred eleven million, one hundred twelve thousand, twelve".