21114214430 has 8 divisors (see below), whose sum is σ = 38005585992. Its totient is φ = 8445685768.

The previous prime is 21114214409. The next prime is 21114214441. The reversal of 21114214430 is 3441241112.

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 = 21114214396 and 21114214405.

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, 1055710712 + ... + 1055710731.

It is an arithmetic number, because the mean of its divisors is an integer number (4750698249).

Almost surely, 2^21114214430 is an apocalyptic number.

21114214430 is a deficient number, since it is larger than the sum of its proper divisors (16891371562).

21114214430 is a wasteful number, since it uses less digits than its factorization.

21114214430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111421450.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 21114214430 its reverse (3441241112), we get a palindrome (24555455542).

The spelling of 21114214430 in words is "twenty-one billion, one hundred fourteen million, two hundred fourteen thousand, four hundred thirty".