1103113212112 has 40 divisors (see below), whose sum is σ = 2169107793216. Its totient is φ = 543401918976.

The previous prime is 1103113212079. The next prime is 1103113212119. The reversal of 1103113212112 is 2112123113011.

It is a self number, because there is not a number n which added to its sum of digits gives 1103113212112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1103113212119) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1524798 + ... + 2128669.

Almost surely, 2^{1103113212112} is an apocalyptic number.

It is an amenable number.

1103113212112 is a deficient number, since it is larger than the sum of its proper divisors (1065994581104).

1103113212112 is a wasteful number, since it uses less digits than its factorization.

1103113212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3653755 (or 3653749 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1103113212112 its reverse (2112123113011), we get a palindrome (3215236325123).

The spelling of 1103113212112 in words is "one trillion, one hundred three billion, one hundred thirteen million, two hundred twelve thousand, one hundred twelve".