2104131111 has 16 divisors (see below), whose sum is σ = 2928169440. Its totient is φ = 1342714880.

The previous prime is 2104131097. The next prime is 2104131119. The reversal of 2104131111 is 1111314012.

It is a cyclic number.

It is not a de Polignac number, because 2104131111 - 2⁹ = 2104130599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104131119) 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, 154866 + ... + 167903.

It is an arithmetic number, because the mean of its divisors is an integer number (183010590).

Almost surely, 2^2104131111 is an apocalyptic number.

2104131111 is a deficient number, since it is larger than the sum of its proper divisors (824038329).

2104131111 is a wasteful number, since it uses less digits than its factorization.

2104131111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322866.

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

The square root of 2104131111 is about 45870.8089202709. The cubic root of 2104131111 is about 1281.4183315746.

Adding to 2104131111 its reverse (1111314012), we get a palindrome (3215445123).

The spelling of 2104131111 in words is "two billion, one hundred four million, one hundred thirty-one thousand, one hundred eleven".