21101313230 has 8 divisors (see below), whose sum is σ = 37982363832. Its totient is φ = 8440525288.

The previous prime is 21101313209. The next prime is 21101313253. The reversal of 21101313230 is 3231310112.

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 = 21101313199 and 21101313208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055065652 + ... + 1055065671.

It is an arithmetic number, because the mean of its divisors is an integer number (4747795479).

Almost surely, 2^21101313230 is an apocalyptic number.

21101313230 is a deficient number, since it is larger than the sum of its proper divisors (16881050602).

21101313230 is a wasteful number, since it uses less digits than its factorization.

21101313230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110131330.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 21101313230 its reverse (3231310112), we get a palindrome (24332623342).

The spelling of 21101313230 in words is "twenty-one billion, one hundred one million, three hundred thirteen thousand, two hundred thirty".