14420150123221 has 16 divisors (see below), whose sum is σ = 14899695947136. Its totient is φ = 13947175742976.

The previous prime is 14420150123191. The next prime is 14420150123261. The reversal of 14420150123221 is 12232105102441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 14420150123221 - 2²¹ = 14420148026069 is a prime.

It is a super-3 number, since 3×14420150123221³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14420150123221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14420150123261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76940001 + ... + 77127193.

It is an arithmetic number, because the mean of its divisors is an integer number (931230996696).

Almost surely, 2^{14420150123221} is an apocalyptic number.

It is an amenable number.

14420150123221 is a deficient number, since it is larger than the sum of its proper divisors (479545823915).

14420150123221 is a wasteful number, since it uses less digits than its factorization.

14420150123221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204732.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 14420150123221 its reverse (12232105102441), we get a palindrome (26652255225662).

The spelling of 14420150123221 in words is "fourteen trillion, four hundred twenty billion, one hundred fifty million, one hundred twenty-three thousand, two hundred twenty-one".