21244023114 has 64 divisors (see below), whose sum is σ = 43608637440. Its totient is φ = 6897240000.

The previous prime is 21244023083. The next prime is 21244023149. The reversal of 21244023114 is 41132044212.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18456439 + ... + 18457589.

It is an arithmetic number, because the mean of its divisors is an integer number (681384960).

Almost surely, 2^21244023114 is an apocalyptic number.

21244023114 is an abundant number, since it is smaller than the sum of its proper divisors (22364614326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21244023114 is a wasteful number, since it uses less digits than its factorization.

21244023114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 21244023114 its reverse (41132044212), we get a palindrome (62376067326).

The spelling of 21244023114 in words is "twenty-one billion, two hundred forty-four million, twenty-three thousand, one hundred fourteen".