2113140211111 has 4 divisors (see below), whose sum is σ = 2128564592352. Its totient is φ = 2097715829872.

The previous prime is 2113140211009. The next prime is 2113140211141. The reversal of 2113140211111 is 1111120413112.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2113140211111 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 (2113140211141) 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, 7712190415 + ... + 7712190688.

It is an arithmetic number, because the mean of its divisors is an integer number (532141148088).

Almost surely, 2^{2113140211111} is an apocalyptic number.

2113140211111 is a deficient number, since it is larger than the sum of its proper divisors (15424381241).

2113140211111 is a wasteful number, since it uses less digits than its factorization.

2113140211111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15424381240.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 2113140211111 its reverse (1111120413112), we get a palindrome (3224260624223).

The spelling of 2113140211111 in words is "two trillion, one hundred thirteen billion, one hundred forty million, two hundred eleven thousand, one hundred eleven".