21234344114 has 32 divisors (see below), whose sum is σ = 32464350720. Its totient is φ = 10414901952.

The previous prime is 21234344111. The next prime is 21234344123. The reversal of 21234344114 is 41144343212.

It is not an unprimeable number, because it can be changed into a prime (21234344111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28578827 + ... + 28579569.

It is an arithmetic number, because the mean of its divisors is an integer number (1014510960).

Almost surely, 2^21234344114 is an apocalyptic number.

21234344114 is a deficient number, since it is larger than the sum of its proper divisors (11230006606).

21234344114 is a wasteful number, since it uses less digits than its factorization.

21234344114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754.

The product of its digits is 9216, while the sum is 29.

Adding to 21234344114 its reverse (41144343212), we get a palindrome (62378687326).

The spelling of 21234344114 in words is "twenty-one billion, two hundred thirty-four million, three hundred forty-four thousand, one hundred fourteen".