2003111112 has 16 divisors (see below), whose sum is σ = 5007777840. Its totient is φ = 667703696.

The previous prime is 2003111093. The next prime is 2003111137. The reversal of 2003111112 is 2111113002.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41731458 + ... + 41731505.

It is an arithmetic number, because the mean of its divisors is an integer number (312986115).

Almost surely, 2^2003111112 is an apocalyptic number.

It is an amenable number.

2003111112 is an abundant number, since it is smaller than the sum of its proper divisors (3004666728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2003111112 is a wasteful number, since it uses less digits than its factorization.

2003111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83462972 (or 83462968 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 2003111112 is about 44756.1293232558. The cubic root of 2003111112 is about 1260.5740040258.

Adding to 2003111112 its reverse (2111113002), we get a palindrome (4114224114).

The spelling of 2003111112 in words is "two billion, three million, one hundred eleven thousand, one hundred twelve".