2105916242011 has 4 divisors (see below), whose sum is σ = 2135577034224. Its totient is φ = 2076255449800.

The previous prime is 2105916242009. The next prime is 2105916242033. The reversal of 2105916242011 is 1102426195012.

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 2105916242011 - 2¹ = 2105916242009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2105916242041) 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, 14830396000 + ... + 14830396141.

It is an arithmetic number, because the mean of its divisors is an integer number (533894258556).

Almost surely, 2^{2105916242011} is an apocalyptic number.

2105916242011 is a deficient number, since it is larger than the sum of its proper divisors (29660792213).

2105916242011 is an equidigital number, since it uses as much as digits as its factorization.

2105916242011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29660792212.

The product of its (nonzero) digits is 8640, while the sum is 34.

The spelling of 2105916242011 in words is "two trillion, one hundred five billion, nine hundred sixteen million, two hundred forty-two thousand, eleven".