14125115114221 has 2 divisors, whose sum is σ = 14125115114222. Its totient is φ = 14125115114220.

The previous prime is 14125115114219. The next prime is 14125115114233. The reversal of 14125115114221 is 12241151152141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10090596964900 + 4034518149321 = 3176570^2 + 2008611^2 .

It is a cyclic number.

It is not a de Polignac number, because 14125115114221 - 2¹ = 14125115114219 is a prime.

Together with 14125115114219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14125115112221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7062557557110 + 7062557557111.

It is an arithmetic number, because the mean of its divisors is an integer number (7062557557111).

Almost surely, 2^{14125115114221} is an apocalyptic number.

It is an amenable number.

14125115114221 is a deficient number, since it is larger than the sum of its proper divisors (1).

14125115114221 is an equidigital number, since it uses as much as digits as its factorization.

14125115114221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3200, while the sum is 31.

Adding to 14125115114221 its reverse (12241151152141), we get a palindrome (26366266266362).

The spelling of 14125115114221 in words is "fourteen trillion, one hundred twenty-five billion, one hundred fifteen million, one hundred fourteen thousand, two hundred twenty-one".