21100332230 has 8 divisors (see below), whose sum is σ = 37980598032. Its totient is φ = 8440132888.

The previous prime is 21100332223. The next prime is 21100332241. The reversal of 21100332230 is 3223300112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 21100332199 and 21100332208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055016602 + ... + 1055016621.

It is an arithmetic number, because the mean of its divisors is an integer number (4747574754).

Almost surely, 2^21100332230 is an apocalyptic number.

21100332230 is a deficient number, since it is larger than the sum of its proper divisors (16880265802).

21100332230 is a wasteful number, since it uses less digits than its factorization.

21100332230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110033230.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 21100332230 its reverse (3223300112), we get a palindrome (24323632342).

The spelling of 21100332230 in words is "twenty-one billion, one hundred million, three hundred thirty-two thousand, two hundred thirty".