21130302302300 has 36 divisors (see below), whose sum is σ = 46717902347256. Its totient is φ = 8292646939200.

The previous prime is 21130302302297. The next prime is 21130302302309. The reversal of 21130302302300 is 320320303112.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21130302302309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1993419446 + ... + 1993430045.

It is an arithmetic number, because the mean of its divisors is an integer number (1297719509646).

Almost surely, 2^{21130302302300} is an apocalyptic number.

21130302302300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21130302302300 is an abundant number, since it is smaller than the sum of its proper divisors (25587600044956).

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

21130302302300 is a wasteful number, since it uses less digits than its factorization.

21130302302300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3986849558 (or 3986849551 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21130302302300 its reverse (320320303112), we get a palindrome (21450622605412).

The spelling of 21130302302300 in words is "twenty-one trillion, one hundred thirty billion, three hundred two million, three hundred two thousand, three hundred".