14121431400021 has 8 divisors (see below), whose sum is σ = 20540263854624. Its totient is φ = 8558443272720.

The previous prime is 14121431400017. The next prime is 14121431400029. The reversal of 14121431400021 is 12000413412141.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14121431400021 - 2² = 14121431400017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14121431399964 and 14121431400000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14121431400029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213961081786 + ... + 213961081851.

It is an arithmetic number, because the mean of its divisors is an integer number (2567532981828).

Almost surely, 2^{14121431400021} is an apocalyptic number.

14121431400021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14121431400021 is a deficient number, since it is larger than the sum of its proper divisors (6418832454603).

14121431400021 is a wasteful number, since it uses less digits than its factorization.

14121431400021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427922163651.

The product of its (nonzero) digits is 768, while the sum is 24.

Adding to 14121431400021 its reverse (12000413412141), we get a palindrome (26121844812162).

The spelling of 14121431400021 in words is "fourteen trillion, one hundred twenty-one billion, four hundred thirty-one million, four hundred thousand, twenty-one".