2105521302 has 16 divisors (see below), whose sum is σ = 4346883072. Its totient is φ = 679200360.

The previous prime is 2105521289. The next prime is 2105521303. The reversal of 2105521302 is 2031255012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105521303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5659818 + ... + 5660189.

It is an arithmetic number, because the mean of its divisors is an integer number (271680192).

Almost surely, 2^2105521302 is an apocalyptic number.

2105521302 is an abundant number, since it is smaller than the sum of its proper divisors (2241361770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2105521302 is a wasteful number, since it uses less digits than its factorization.

2105521302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11320043.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2105521302 is about 45885.9597480537. The cubic root of 2105521302 is about 1281.7004787661.

Adding to 2105521302 its reverse (2031255012), we get a palindrome (4136776314).

The spelling of 2105521302 in words is "two billion, one hundred five million, five hundred twenty-one thousand, three hundred two".