21010113323130 has 64 divisors (see below), whose sum is σ = 50599138786560. Its totient is φ = 5583269339136.

The previous prime is 21010113322973. The next prime is 21010113323203. The reversal of 21010113323130 is 3132331101012.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 21010113323097 and 21010113323106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 192824506 + ... + 192933434.

It is an arithmetic number, because the mean of its divisors is an integer number (790611543540).

Almost surely, 2^{21010113323130} is an apocalyptic number.

21010113323130 is an abundant number, since it is smaller than the sum of its proper divisors (29589025463430).

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

21010113323130 is a wasteful number, since it uses less digits than its factorization.

21010113323130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131175.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 21010113323130 its reverse (3132331101012), we get a palindrome (24142444424142).

The spelling of 21010113323130 in words is "twenty-one trillion, ten billion, one hundred thirteen million, three hundred twenty-three thousand, one hundred thirty".