21321131444114 has 8 divisors (see below), whose sum is σ = 31990120063308. Its totient is φ = 10657758089680.

The previous prime is 21321131444099. The next prime is 21321131444167. The reversal of 21321131444114 is 41144413112312.

It can be written as a sum of positive squares in 2 ways, for example, as 16720599780889 + 4600531663225 = 4089083^2 + 2144885^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1403806697 + ... + 1403821884.

Almost surely, 2^{21321131444114} is an apocalyptic number.

21321131444114 is a deficient number, since it is larger than the sum of its proper divisors (10668988619194).

21321131444114 is a wasteful number, since it uses less digits than its factorization.

21321131444114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807632380.

The product of its digits is 9216, while the sum is 32.

Adding to 21321131444114 its reverse (41144413112312), we get a palindrome (62465544556426).

The spelling of 21321131444114 in words is "twenty-one trillion, three hundred twenty-one billion, one hundred thirty-one million, four hundred forty-four thousand, one hundred fourteen".