14122141421 has 2 divisors, whose sum is σ = 14122141422. Its totient is φ = 14122141420.

The previous prime is 14122141391. The next prime is 14122141487. The reversal of 14122141421 is 12414122141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7324963396 + 6797178025 = 85586^2 + 82445^2 .

It is an emirp because it is prime and its reverse (12414122141) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14122141421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14122141921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7061070710 + 7061070711.

It is an arithmetic number, because the mean of its divisors is an integer number (7061070711).

Almost surely, 2^14122141421 is an apocalyptic number.

It is an amenable number.

14122141421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14122141421 is an equidigital number, since it uses as much as digits as its factorization.

14122141421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 512, while the sum is 23.

Adding to 14122141421 its reverse (12414122141), we get a palindrome (26536263562).

The spelling of 14122141421 in words is "fourteen billion, one hundred twenty-two million, one hundred forty-one thousand, four hundred twenty-one".