21241020130 has 64 divisors (see below), whose sum is σ = 43575770880. Its totient is φ = 7383712000.

The previous prime is 21241020127. The next prime is 21241020179. The reversal of 21241020130 is 3102014212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289227 + ... + 355153.

It is an arithmetic number, because the mean of its divisors is an integer number (680871420).

Almost surely, 2^21241020130 is an apocalyptic number.

21241020130 is an abundant number, since it is smaller than the sum of its proper divisors (22334750750).

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

21241020130 is a wasteful number, since it uses less digits than its factorization.

21241020130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66075.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 21241020130 its reverse (3102014212), we get a palindrome (24343034342).

The spelling of 21241020130 in words is "twenty-one billion, two hundred forty-one million, twenty thousand, one hundred thirty".