14214214240021 has 8 divisors (see below), whose sum is σ = 15457110557400. Its totient is φ = 13016514152448.

The previous prime is 14214214240007. The next prime is 14214214240049. The reversal of 14214214240021 is 12004241241241.

It can be written as a sum of positive squares in 4 ways, for example, as 6547329500625 + 7666884739396 = 2558775^2 + 2768914^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 14214214240021 - 2⁹ = 14214214239509 is a prime.

It is a super-2 number, since 2×14214214240021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14214214240081) 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, 11299056796 + ... + 11299058053.

It is an arithmetic number, because the mean of its divisors is an integer number (1932138819675).

Almost surely, 2^{14214214240021} is an apocalyptic number.

It is an amenable number.

14214214240021 is a deficient number, since it is larger than the sum of its proper divisors (1242896317379).

14214214240021 is a wasteful number, since it uses less digits than its factorization.

14214214240021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22598114903.

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 14214214240021 its reverse (12004241241241), we get a palindrome (26218455481262).

The spelling of 14214214240021 in words is "fourteen trillion, two hundred fourteen billion, two hundred fourteen million, two hundred forty thousand, twenty-one".