21112656230 has 8 divisors (see below), whose sum is σ = 38002781232. Its totient is φ = 8445062488.

The previous prime is 21112656209. The next prime is 21112656251. The reversal of 21112656230 is 3265621112.

It is an interprime number because it is at equal distance from previous prime (21112656209) and next prime (21112656251).

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 = 21112656193 and 21112656202.

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, 1055632802 + ... + 1055632821.

It is an arithmetic number, because the mean of its divisors is an integer number (4750347654).

Almost surely, 2^21112656230 is an apocalyptic number.

21112656230 is a deficient number, since it is larger than the sum of its proper divisors (16890125002).

21112656230 is a wasteful number, since it uses less digits than its factorization.

21112656230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111265630.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 21112656230 in words is "twenty-one billion, one hundred twelve million, six hundred fifty-six thousand, two hundred thirty".