21130130300 has 18 divisors (see below), whose sum is σ = 45852382968. Its totient is φ = 8452052080.

The previous prime is 21130130267. The next prime is 21130130303. The reversal of 21130130300 is 303103112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21130130303) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105650552 + ... + 105650751.

Almost surely, 2^21130130300 is an apocalyptic number.

21130130300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21130130300 is an abundant number, since it is smaller than the sum of its proper divisors (24722252668).

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

21130130300 is a wasteful number, since it uses less digits than its factorization.

21130130300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211301317 (or 211301310 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 21130130300 its reverse (303103112), we get a palindrome (21433233412).

The spelling of 21130130300 in words is "twenty-one billion, one hundred thirty million, one hundred thirty thousand, three hundred".