202001121020201 has 2 divisors, whose sum is σ = 202001121020202. Its totient is φ = 202001121020200.

The previous prime is 202001121020177. The next prime is 202001121020273. The reversal of 202001121020201 is 102020121100202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118430003328025 + 83571117692176 = 10882555^2 + 9141724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202001121020201 is a prime.

It is not a weakly prime, because it can be changed into another prime (202001121022201) 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 as a sum of consecutive naturals, namely, 101000560510100 + 101000560510101.

It is an arithmetic number, because the mean of its divisors is an integer number (101000560510101).

Almost surely, 2^{202001121020201} is an apocalyptic number.

It is an amenable number.

202001121020201 is a deficient number, since it is larger than the sum of its proper divisors (1).

202001121020201 is an equidigital number, since it uses as much as digits as its factorization.

202001121020201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 202001121020201 its reverse (102020121100202), we get a palindrome (304021242120403).

The spelling of 202001121020201 in words is "two hundred two trillion, one billion, one hundred twenty-one million, twenty thousand, two hundred one".