2105422105 has 16 divisors (see below), whose sum is σ = 2584742400. Its totient is φ = 1645638592.

The previous prime is 2105422097. The next prime is 2105422117. The reversal of 2105422105 is 5012245012.

It is a cyclic number.

It is not a de Polignac number, because 2105422105 - 2³ = 2105422097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133287 + ... + 148243.

It is an arithmetic number, because the mean of its divisors is an integer number (161546400).

Almost surely, 2^2105422105 is an apocalyptic number.

It is an amenable number.

2105422105 is a deficient number, since it is larger than the sum of its proper divisors (479320295).

2105422105 is a wasteful number, since it uses less digits than its factorization.

2105422105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15608.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2105422105 is about 45884.8788273435. The cubic root of 2105422105 is about 1281.6803502847.

Adding to 2105422105 its reverse (5012245012), we get a palindrome (7117667117).

The spelling of 2105422105 in words is "two billion, one hundred five million, four hundred twenty-two thousand, one hundred five".