2011111000103 has 4 divisors (see below), whose sum is σ = 2019525690720. Its totient is φ = 2002696309488.

The previous prime is 2011111000039. The next prime is 2011111000111. The reversal of 2011111000103 is 3010001111102.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2011111000103 - 2⁶ = 2011111000039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011111000153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4207344950 + ... + 4207345427.

It is an arithmetic number, because the mean of its divisors is an integer number (504881422680).

Almost surely, 2^{2011111000103} is an apocalyptic number.

2011111000103 is a deficient number, since it is larger than the sum of its proper divisors (8414690617).

2011111000103 is an equidigital number, since it uses as much as digits as its factorization.

2011111000103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8414690616.

The product of its (nonzero) digits is 6, while the sum is 11.

Adding to 2011111000103 its reverse (3010001111102), we get a palindrome (5021112111205).

The spelling of 2011111000103 in words is "two trillion, eleven billion, one hundred eleven million, one hundred three", and thus it is an aban number.