21231444013114 has 8 divisors (see below), whose sum is σ = 31847186567700. Its totient is φ = 10615715157216.

The previous prime is 21231444013111. The next prime is 21231444013201. The reversal of 21231444013114 is 41131044413212.

It can be written as a sum of positive squares in 2 ways, for example, as 21186844908889 + 44599104225 = 4602917^2 + 211185^2 .

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

It is not an unprimeable number, because it can be changed into a prime (21231444013111) by changing a digit.

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, 2499952 + ... + 6979444.

Almost surely, 2^{21231444013114} is an apocalyptic number.

21231444013114 is a deficient number, since it is larger than the sum of its proper divisors (10615742554586).

21231444013114 is a wasteful number, since it uses less digits than its factorization.

21231444013114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6849344.

The product of its (nonzero) digits is 9216, while the sum is 31.

Adding to 21231444013114 its reverse (41131044413212), we get a palindrome (62362488426326).

The spelling of 21231444013114 in words is "twenty-one trillion, two hundred thirty-one billion, four hundred forty-four million, thirteen thousand, one hundred fourteen".