200021414332321 has 2 divisors, whose sum is σ = 200021414332322. Its totient is φ = 200021414332320.

The previous prime is 200021414332219. The next prime is 200021414332391. The reversal of 200021414332321 is 123233414120002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199685867550625 + 335546781696 = 14131025^2 + 579264^2 .

It is a cyclic number.

It is not a de Polignac number, because 200021414332321 - 2²⁹ = 200020877461409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200021414332321.

It is not a weakly prime, because it can be changed into another prime (200021414332391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100010707166160 + 100010707166161.

It is an arithmetic number, because the mean of its divisors is an integer number (100010707166161).

Almost surely, 2^{200021414332321} is an apocalyptic number.

It is an amenable number.

200021414332321 is a deficient number, since it is larger than the sum of its proper divisors (1).

200021414332321 is an equidigital number, since it uses as much as digits as its factorization.

200021414332321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 200021414332321 its reverse (123233414120002), we get a palindrome (323254828452323).

The spelling of 200021414332321 in words is "two hundred trillion, twenty-one billion, four hundred fourteen million, three hundred thirty-two thousand, three hundred twenty-one".