2011120211103 has 32 divisors (see below), whose sum is σ = 2698178456064. Its totient is φ = 1332437040000.

The previous prime is 2011120211083. The next prime is 2011120211161. The reversal of 2011120211103 is 3011120211102.

It is not a de Polignac number, because 2011120211103 - 2²⁰ = 2011119162527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011120211183) 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, 500152233 + ... + 500156253.

It is an arithmetic number, because the mean of its divisors is an integer number (84318076752).

Almost surely, 2^{2011120211103} is an apocalyptic number.

2011120211103 is a deficient number, since it is larger than the sum of its proper divisors (687058244961).

2011120211103 is a wasteful number, since it uses less digits than its factorization.

2011120211103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5807.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 2011120211103 its reverse (3011120211102), we get a palindrome (5022240422205).

Subtracting 2011120211103 from its reverse (3011120211102), we obtain a palindrome (999999999999).

The spelling of 2011120211103 in words is "two trillion, eleven billion, one hundred twenty million, two hundred eleven thousand, one hundred three".