21144324321114 has 16 divisors (see below), whose sum is σ = 42309803568000. Its totient is φ = 7044582286080.

The previous prime is 21144324321079. The next prime is 21144324321119. The reversal of 21144324321114 is 41112342344112.

It is not an unprimeable number, because it can be changed into a prime (21144324321119) 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, 881442247 + ... + 881466234.

It is an arithmetic number, because the mean of its divisors is an integer number (2644362723000).

Almost surely, 2^{21144324321114} is an apocalyptic number.

21144324321114 is an abundant number, since it is smaller than the sum of its proper divisors (21165479246886).

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

21144324321114 is a wasteful number, since it uses less digits than its factorization.

21144324321114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1762910485.

The product of its digits is 18432, while the sum is 33.

Adding to 21144324321114 its reverse (41112342344112), we get a palindrome (62256666665226).

The spelling of 21144324321114 in words is "twenty-one trillion, one hundred forty-four billion, three hundred twenty-four million, three hundred twenty-one thousand, one hundred fourteen".