1113103103212 has 12 divisors (see below), whose sum is σ = 2015100445680. Its totient is φ = 537360118736.

The previous prime is 1113103103209. The next prime is 1113103103213. The reversal of 1113103103212 is 2123013013111.

It is a self number, because there is not a number n which added to its sum of digits gives 1113103103212.

It is not an unprimeable number, because it can be changed into a prime (1113103103213) by changing a digit.

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, 4797858088 + ... + 4797858319.

It is an arithmetic number, because the mean of its divisors is an integer number (167925037140).

Almost surely, 2^{1113103103212} is an apocalyptic number.

It is an amenable number.

1113103103212 is a deficient number, since it is larger than the sum of its proper divisors (901997342468).

1113103103212 is a wasteful number, since it uses less digits than its factorization.

1113103103212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9595716440 (or 9595716438 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1113103103212 its reverse (2123013013111), we get a palindrome (3236116116323).

The spelling of 1113103103212 in words is "one trillion, one hundred thirteen billion, one hundred three million, one hundred three thousand, two hundred twelve".