21224203114 has 16 divisors (see below), whose sum is σ = 31911916680. Its totient is φ = 10586917120.

The previous prime is 21224203111. The next prime is 21224203123. The reversal of 21224203114 is 41130242212.

It can be written as a sum of positive squares in 4 ways, for example, as 11732572489 + 9491630625 = 108317^2 + 97425^2 .

It is not an unprimeable number, because it can be changed into a prime (21224203111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3741072 + ... + 3746740.

Almost surely, 2^21224203114 is an apocalyptic number.

21224203114 is a deficient number, since it is larger than the sum of its proper divisors (10687713566).

21224203114 is a wasteful number, since it uses less digits than its factorization.

21224203114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9785.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 21224203114 its reverse (41130242212), we get a palindrome (62354445326).

It can be divided in two parts, 21224203 and 114, that multiplied together give a palindrome (2419559142).

The spelling of 21224203114 in words is "twenty-one billion, two hundred twenty-four million, two hundred three thousand, one hundred fourteen".