14012021041421 has 6 divisors (see below), whose sum is σ = 15172780181130. Its totient is φ = 12934173268848.

The previous prime is 14012021041397. The next prime is 14012021041429. The reversal of 14012021041421 is 12414012021041.

It can be written as a sum of positive squares in 3 ways, for example, as 1328238025 + 14010692803396 = 36445^2 + 3743086^2 .

It is not a de Polignac number, because 14012021041421 - 2¹⁰ = 14012021040397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14012021041429) 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 5 ways as a sum of consecutive naturals, for example, 41455683386 + ... + 41455683723.

It is an arithmetic number, because the mean of its divisors is an integer number (2528796696855).

Almost surely, 2^{14012021041421} is an apocalyptic number.

It is an amenable number.

14012021041421 is a deficient number, since it is larger than the sum of its proper divisors (1160759139709).

14012021041421 is an equidigital number, since it uses as much as digits as its factorization.

14012021041421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82911367135 (or 82911367122 counting only the distinct ones).

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

Adding to 14012021041421 its reverse (12414012021041), we get a palindrome (26426033062462).

The spelling of 14012021041421 in words is "fourteen trillion, twelve billion, twenty-one million, forty-one thousand, four hundred twenty-one".