21114313120 has 24 divisors (see below), whose sum is σ = 49882565124. Its totient is φ = 8445725184.

The previous prime is 21114313117. The next prime is 21114313159. The reversal of 21114313120 is 2131341112.

It can be written as a sum of positive squares in 2 ways, for example, as 19902437776 + 1211875344 = 141076^2 + 34812^2 .

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, 65982069 + ... + 65982388.

Almost surely, 2^21114313120 is an apocalyptic number.

21114313120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21114313120 is an abundant number, since it is smaller than the sum of its proper divisors (28768252004).

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

21114313120 is a wasteful number, since it uses less digits than its factorization.

21114313120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131964472 (or 131964464 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 21114313120 its reverse (2131341112), we get a palindrome (23245654232).

The spelling of 21114313120 in words is "twenty-one billion, one hundred fourteen million, three hundred thirteen thousand, one hundred twenty".