21123324312114 has 16 divisors (see below), whose sum is σ = 42427964715552. Its totient is φ = 7010888755488.

The previous prime is 21123324312047. The next prime is 21123324312149. The reversal of 21123324312114 is 41121342332112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7554835624 + ... + 7554838419.

It is an arithmetic number, because the mean of its divisors is an integer number (2651747794722).

Almost surely, 2^{21123324312114} is an apocalyptic number.

21123324312114 is an abundant number, since it is smaller than the sum of its proper divisors (21304640403438).

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

21123324312114 is a wasteful number, since it uses less digits than its factorization.

21123324312114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15109674281.

The product of its digits is 6912, while the sum is 30.

Adding to 21123324312114 its reverse (41121342332112), we get a palindrome (62244666644226).

The spelling of 21123324312114 in words is "twenty-one trillion, one hundred twenty-three billion, three hundred twenty-four million, three hundred twelve thousand, one hundred fourteen".