21241413210 has 16 divisors (see below), whose sum is σ = 50979391776. Its totient is φ = 5664376848.

The previous prime is 21241413163. The next prime is 21241413211. The reversal of 21241413210 is 1231414212.

It is not an unprimeable number, because it can be changed into a prime (21241413211) 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, 354023524 + ... + 354023583.

It is an arithmetic number, because the mean of its divisors is an integer number (3186211986).

Almost surely, 2^21241413210 is an apocalyptic number.

21241413210 is an abundant number, since it is smaller than the sum of its proper divisors (29737978566).

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

21241413210 is a wasteful number, since it uses less digits than its factorization.

21241413210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 708047117.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 21241413210 its reverse (1231414212), we get a palindrome (22472827422).

The spelling of 21241413210 in words is "twenty-one billion, two hundred forty-one million, four hundred thirteen thousand, two hundred ten".