21124224214 has 16 divisors (see below), whose sum is σ = 31752195696. Its totient is φ = 10540180000.

The previous prime is 21124224169. The next prime is 21124224229. The reversal of 21124224214 is 41242242112.

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 7 ways as a sum of consecutive naturals, for example, 2669664 + ... + 2677564.

It is an arithmetic number, because the mean of its divisors is an integer number (1984512231).

Almost surely, 2^21124224214 is an apocalyptic number.

21124224214 is a deficient number, since it is larger than the sum of its proper divisors (10627971482).

21124224214 is a wasteful number, since it uses less digits than its factorization.

21124224214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10511.

The product of its digits is 2048, while the sum is 25.

Adding to 21124224214 its reverse (41242242112), we get a palindrome (62366466326).

The spelling of 21124224214 in words is "twenty-one billion, one hundred twenty-four million, two hundred twenty-four thousand, two hundred fourteen".