2003112111011 has 16 divisors (see below), whose sum is σ = 2222388835200. Its totient is φ = 1790035161600.

The previous prime is 2003112110947. The next prime is 2003112111037. The reversal of 2003112111011 is 1101112113002.

It is a cyclic number.

It is not a de Polignac number, because 2003112111011 - 2⁶ = 2003112110947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003112111911) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11419076 + ... + 11593166.

It is an arithmetic number, because the mean of its divisors is an integer number (138899302200).

Almost surely, 2^{2003112111011} is an apocalyptic number.

2003112111011 is a deficient number, since it is larger than the sum of its proper divisors (219276724189).

2003112111011 is a wasteful number, since it uses less digits than its factorization.

2003112111011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191890.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 2003112111011 its reverse (1101112113002), we get a palindrome (3104224224013).

The spelling of 2003112111011 in words is "two trillion, three billion, one hundred twelve million, one hundred eleven thousand, eleven".