21300210231130 has 32 divisors (see below), whose sum is σ = 39668043459600. Its totient is φ = 8225130127872.

The previous prime is 21300210231077. The next prime is 21300210231191. The reversal of 21300210231130 is 3113201200312.

It can be written as a sum of positive squares in 8 ways, for example, as 12906135285121 + 8394074946009 = 3592511^2 + 2897253^2 .

It is a junction number, because it is equal to n+sod(n) for n = 21300210231098 and 21300210231107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3104307 + ... + 7227526.

Almost surely, 2^{21300210231130} is an apocalyptic number.

21300210231130 is a deficient number, since it is larger than the sum of its proper divisors (18367833228470).

21300210231130 is a wasteful number, since it uses less digits than its factorization.

21300210231130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10338978.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 21300210231130 its reverse (3113201200312), we get a palindrome (24413411431442).

The spelling of 21300210231130 in words is "twenty-one trillion, three hundred billion, two hundred ten million, two hundred thirty-one thousand, one hundred thirty".