14014342212221 has 8 divisors (see below), whose sum is σ = 15115913581944. Its totient is φ = 12916134420480.

The previous prime is 14014342212137. The next prime is 14014342212229. The reversal of 14014342212221 is 12221224341041.

It can be written as a sum of positive squares in 4 ways, for example, as 1932558727225 + 12081783484996 = 1390165^2 + 3475886^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14014342212221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14014342212229) 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, 840885836 + ... + 840902501.

It is an arithmetic number, because the mean of its divisors is an integer number (1889489197743).

Almost surely, 2^{14014342212221} is an apocalyptic number.

It is an amenable number.

14014342212221 is a deficient number, since it is larger than the sum of its proper divisors (1101571369723).

14014342212221 is a wasteful number, since it uses less digits than its factorization.

14014342212221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1681788991.

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 14014342212221 its reverse (12221224341041), we get a palindrome (26235566553262).

The spelling of 14014342212221 in words is "fourteen trillion, fourteen billion, three hundred forty-two million, two hundred twelve thousand, two hundred twenty-one".