142004100244221 has 12 divisors (see below), whose sum is σ = 205172455791420. Its totient is φ = 94643820729600.

The previous prime is 142004100244211. The next prime is 142004100244267. The reversal of 142004100244221 is 122442001400241.

142004100244221 is a `hidden beast` number, since 1 + 4 + 2 + 0 + 0 + 410 + 0 + 24 + 4 + 221 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 40018136828121 + 101985963416100 = 6325989^2 + 10098810^2 .

It is not a de Polignac number, because 142004100244221 - 2¹⁴ = 142004100227837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142004100244211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2131584276 + ... + 2131650893.

It is an arithmetic number, because the mean of its divisors is an integer number (17097704649285).

Almost surely, 2^{142004100244221} is an apocalyptic number.

It is an amenable number.

142004100244221 is a deficient number, since it is larger than the sum of its proper divisors (63168355547199).

142004100244221 is a wasteful number, since it uses less digits than its factorization.

142004100244221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4263238876 (or 4263238873 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 142004100244221 its reverse (122442001400241), we get a palindrome (264446101644462).

The spelling of 142004100244221 in words is "one hundred forty-two trillion, four billion, one hundred million, two hundred forty-four thousand, two hundred twenty-one".