1121002011112 has 16 divisors (see below), whose sum is σ = 2212503969600. Its totient is φ = 531000952560.

The previous prime is 1121002011091. The next prime is 1121002011163. The reversal of 1121002011112 is 2111102001211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1121002011092 and 1121002011101.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3687506464 + ... + 3687506767.

It is an arithmetic number, because the mean of its divisors is an integer number (138281498100).

Almost surely, 2^{1121002011112} is an apocalyptic number.

It is an amenable number.

1121002011112 is a deficient number, since it is larger than the sum of its proper divisors (1091501958488).

1121002011112 is a wasteful number, since it uses less digits than its factorization.

1121002011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7375013256 (or 7375013252 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1121002011112 its reverse (2111102001211), we get a palindrome (3232104012323).

Subtracting 1121002011112 from its reverse (2111102001211), we obtain a palindrome (990099990099).

It can be divided in two parts, 112100 and 2011112, that added together give a palindrome (2123212).

The spelling of 1121002011112 in words is "one trillion, one hundred twenty-one billion, two million, eleven thousand, one hundred twelve".