21114313244 has 12 divisors (see below), whose sum is σ = 37576320600. Its totient is φ = 10378221648.

The previous prime is 21114313183. The next prime is 21114313267. The reversal of 21114313244 is 44231341112.

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, 44733479 + ... + 44733950.

It is an arithmetic number, because the mean of its divisors is an integer number (3131360050).

Almost surely, 2^21114313244 is an apocalyptic number.

It is an amenable number.

21114313244 is a deficient number, since it is larger than the sum of its proper divisors (16462007356).

21114313244 is a wasteful number, since it uses less digits than its factorization.

21114313244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89467492 (or 89467490 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

Adding to 21114313244 its reverse (44231341112), we get a palindrome (65345654356).

The spelling of 21114313244 in words is "twenty-one billion, one hundred fourteen million, three hundred thirteen thousand, two hundred forty-four".