21441033214 has 16 divisors (see below), whose sum is σ = 32313395520. Its totient is φ = 10669934880.

The previous prime is 21441033169. The next prime is 21441033239. The reversal of 21441033214 is 41233014412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1656552 + ... + 1669444.

It is an arithmetic number, because the mean of its divisors is an integer number (2019587220).

Almost surely, 2^21441033214 is an apocalyptic number.

21441033214 is a deficient number, since it is larger than the sum of its proper divisors (10872362306).

21441033214 is a wasteful number, since it uses less digits than its factorization.

21441033214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16755.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 21441033214 its reverse (41233014412), we get a palindrome (62674047626).

The spelling of 21441033214 in words is "twenty-one billion, four hundred forty-one million, thirty-three thousand, two hundred fourteen".