14015170221221 has 24 divisors (see below), whose sum is σ = 15976756527840. Its totient is φ = 12254785358400.

The previous prime is 14015170221211. The next prime is 14015170221229. The reversal of 14015170221221 is 12212207151041.

It is not a de Polignac number, because 14015170221221 - 2²⁶ = 14015103112357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14015170221229) 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 23 ways as a sum of consecutive naturals, for example, 28465466 + ... + 28953636.

It is an arithmetic number, because the mean of its divisors is an integer number (665698188660).

Almost surely, 2^{14015170221221} is an apocalyptic number.

It is an amenable number.

14015170221221 is a deficient number, since it is larger than the sum of its proper divisors (1961586306619).

14015170221221 is a wasteful number, since it uses less digits than its factorization.

14015170221221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497157 (or 497144 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 29.

Adding to 14015170221221 its reverse (12212207151041), we get a palindrome (26227377372262).

The spelling of 14015170221221 in words is "fourteen trillion, fifteen billion, one hundred seventy million, two hundred twenty-one thousand, two hundred twenty-one".