20210012321201 has 2 divisors, whose sum is σ = 20210012321202. Its totient is φ = 20210012321200.

The previous prime is 20210012321173. The next prime is 20210012321327. The reversal of 20210012321201 is 10212321001202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19698293852176 + 511718469025 = 4438276^2 + 715345^2 .

It is a cyclic number.

It is not a de Polignac number, because 20210012321201 - 2¹⁰ = 20210012320177 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20210012321201.

It is not a weakly prime, because it can be changed into another prime (20210012321101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105006160600 + 10105006160601.

It is an arithmetic number, because the mean of its divisors is an integer number (10105006160601).

Almost surely, 2^{20210012321201} is an apocalyptic number.

It is an amenable number.

20210012321201 is a deficient number, since it is larger than the sum of its proper divisors (1).

20210012321201 is an equidigital number, since it uses as much as digits as its factorization.

20210012321201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20210012321201 its reverse (10212321001202), we get a palindrome (30422333322403).

The spelling of 20210012321201 in words is "twenty trillion, two hundred ten billion, twelve million, three hundred twenty-one thousand, two hundred one".