2011112111103 has 8 divisors (see below), whose sum is σ = 2681568750000. Its totient is φ = 1340698439808.

The previous prime is 2011112111101. The next prime is 2011112111119. The reversal of 2011112111103 is 3011112111102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2011112111103 - 2¹ = 2011112111101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011112111101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10632528 + ... + 10820021.

It is an arithmetic number, because the mean of its divisors is an integer number (335196093750).

Almost surely, 2^{2011112111103} is an apocalyptic number.

2011112111103 is a deficient number, since it is larger than the sum of its proper divisors (670456638897).

2011112111103 is a wasteful number, since it uses less digits than its factorization.

2011112111103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21483801.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 2011112111103 its reverse (3011112111102), we get a palindrome (5022224222205).

Subtracting 2011112111103 from its reverse (3011112111102), we obtain a palindrome (999999999999).

The spelling of 2011112111103 in words is "two trillion, eleven billion, one hundred twelve million, one hundred eleven thousand, one hundred three".