202020122210201 has 2 divisors, whose sum is σ = 202020122210202. Its totient is φ = 202020122210200.

The previous prime is 202020122210189. The next prime is 202020122210209. The reversal of 202020122210201 is 102012221020202.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 201672377299600 + 347744910601 = 14201140^2 + 589699^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202020122210201 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202020122210201.

It is not a weakly prime, because it can be changed into another prime (202020122210209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101010061105100 + 101010061105101.

It is an arithmetic number, because the mean of its divisors is an integer number (101010061105101).

Almost surely, 2^{202020122210201} is an apocalyptic number.

It is an amenable number.

202020122210201 is a deficient number, since it is larger than the sum of its proper divisors (1).

202020122210201 is an equidigital number, since it uses as much as digits as its factorization.

202020122210201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202020122210201 its reverse (102012221020202), we get a palindrome (304032343230403).

The spelling of 202020122210201 in words is "two hundred two trillion, twenty billion, one hundred twenty-two million, two hundred ten thousand, two hundred one".