2011011111003 has 32 divisors (see below), whose sum is σ = 2778786176256. Its totient is φ = 1293063602688.

The previous prime is 2011011110971. The next prime is 2011011111017. The reversal of 2011011111003 is 3001111101102.

It is not a de Polignac number, because 2011011111003 - 2⁵ = 2011011110971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2011011111003.

It is not an unprimeable number, because it can be changed into a prime (2011011111803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1510000 + ... + 2510402.

It is an arithmetic number, because the mean of its divisors is an integer number (86837068008).

Almost surely, 2^{2011011111003} is an apocalyptic number.

2011011111003 is a deficient number, since it is larger than the sum of its proper divisors (767775065253).

2011011111003 is a wasteful number, since it uses less digits than its factorization.

2011011111003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000683.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 2011011111003 its reverse (3001111101102), we get a palindrome (5012122212105).

Subtracting 2011011111003 from its reverse (3001111101102), we obtain a palindrome (990099990099).

The spelling of 2011011111003 in words is "two trillion, eleven billion, eleven million, one hundred eleven thousand, three".