2111140411111 has 4 divisors (see below), whose sum is σ = 2122934491800. Its totient is φ = 2099346330424.

The previous prime is 2111140411109. The next prime is 2111140411157. The reversal of 2111140411111 is 1111140411112.

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 2111140411111 - 2¹ = 2111140411109 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 (2111140418111) 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, 5897040076 + ... + 5897040433.

It is an arithmetic number, because the mean of its divisors is an integer number (530733622950).

Almost surely, 2^{2111140411111} is an apocalyptic number.

2111140411111 is a deficient number, since it is larger than the sum of its proper divisors (11794080689).

2111140411111 is a wasteful number, since it uses less digits than its factorization.

2111140411111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11794080688.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 2111140411111 its reverse (1111140411112), we get a palindrome (3222280822223).

Subtracting from 2111140411111 its reverse (1111140411112), we obtain a palindrome (999999999999).

The spelling of 2111140411111 in words is "two trillion, one hundred eleven billion, one hundred forty million, four hundred eleven thousand, one hundred eleven".