2105111342 has 8 divisors (see below), whose sum is σ = 3209432232. Its totient is φ = 1035300600.

The previous prime is 2105111297. The next prime is 2105111357. The reversal of 2105111342 is 2431115012.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8627384 + ... + 8627627.

It is an arithmetic number, because the mean of its divisors is an integer number (401179029).

Almost surely, 2^2105111342 is an apocalyptic number.

2105111342 is a deficient number, since it is larger than the sum of its proper divisors (1104320890).

2105111342 is a wasteful number, since it uses less digits than its factorization.

2105111342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17255074.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2105111342 is about 45881.4923689280. The cubic root of 2105111342 is about 1281.6172879614.

Adding to 2105111342 its reverse (2431115012), we get a palindrome (4536226354).

The spelling of 2105111342 in words is "two billion, one hundred five million, one hundred eleven thousand, three hundred forty-two".