21241540330210 has 32 divisors (see below), whose sum is σ = 38461141135872. Its totient is φ = 8446348952640.

The previous prime is 21241540330123. The next prime is 21241540330229. The reversal of 21241540330210 is 1203304514212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2295387 + ... + 6910273.

It is an arithmetic number, because the mean of its divisors is an integer number (1201910660496).

Almost surely, 2^{21241540330210} is an apocalyptic number.

21241540330210 is a deficient number, since it is larger than the sum of its proper divisors (17219600805662).

21241540330210 is a wasteful number, since it uses less digits than its factorization.

21241540330210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4617618.

The product of its (nonzero) digits is 5760, while the sum is 28.

Adding to 21241540330210 its reverse (1203304514212), we get a palindrome (22444844844422).

The spelling of 21241540330210 in words is "twenty-one trillion, two hundred forty-one billion, five hundred forty million, three hundred thirty thousand, two hundred ten".