14234202240021 has 6 divisors (see below), whose sum is σ = 20560514346710. Its totient is φ = 9489468160008.

The previous prime is 14234202240007. The next prime is 14234202240043. The reversal of 14234202240021 is 12004220243241.

It is a happy number.

14234202240021 is a `hidden beast` number, since 1 + 4 + 2 + 34 + 202 + 2 + 400 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10657417284900 + 3576784955121 = 3264570^2 + 1891239^2 .

It is not a de Polignac number, because 14234202240021 - 2¹⁹ = 14234201715733 is a prime.

It is a super-2 number, since 2×14234202240021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14234202240001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 790789013326 + ... + 790789013343.

Almost surely, 2^{14234202240021} is an apocalyptic number.

It is an amenable number.

14234202240021 is a deficient number, since it is larger than the sum of its proper divisors (6326312106689).

14234202240021 is a wasteful number, since it uses less digits than its factorization.

14234202240021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581578026675 (or 1581578026672 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 14234202240021 its reverse (12004220243241), we get a palindrome (26238422483262).

The spelling of 14234202240021 in words is "fourteen trillion, two hundred thirty-four billion, two hundred two million, two hundred forty thousand, twenty-one".