21100320333130 has 16 divisors (see below), whose sum is σ = 37980700299360. Its totient is φ = 8440100644432.

The previous prime is 21100320333109. The next prime is 21100320333133. The reversal of 21100320333130 is 3133302300112.

It is not an unprimeable number, because it can be changed into a prime (21100320333133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53644 + ... + 6496423.

It is an arithmetic number, because the mean of its divisors is an integer number (2373793768710).

Almost surely, 2^{21100320333130} is an apocalyptic number.

21100320333130 is a deficient number, since it is larger than the sum of its proper divisors (16880379966230).

21100320333130 is a wasteful number, since it uses less digits than its factorization.

21100320333130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6872213.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 21100320333130 its reverse (3133302300112), we get a palindrome (24233622633242).

The spelling of 21100320333130 in words is "twenty-one trillion, one hundred billion, three hundred twenty million, three hundred thirty-three thousand, one hundred thirty".