2105522050 has 48 divisors (see below), whose sum is σ = 4128932160. Its totient is φ = 796616640.

The previous prime is 2105522011. The next prime is 2105522059. The reversal of 2105522050 is 502255012.

It is not an unprimeable number, because it can be changed into a prime (2105522059) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 780504 + ... + 783196.

It is an arithmetic number, because the mean of its divisors is an integer number (86019420).

Almost surely, 2^2105522050 is an apocalyptic number.

2105522050 is a deficient number, since it is larger than the sum of its proper divisors (2023410110).

2105522050 is a wasteful number, since it uses less digits than its factorization.

2105522050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3547 (or 3542 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 2105522050 is about 45885.9678986943. The cubic root of 2105522050 is about 1281.7006305435.

Adding to 2105522050 its reverse (502255012), we get a palindrome (2607777062).

The spelling of 2105522050 in words is "two billion, one hundred five million, five hundred twenty-two thousand, fifty".