202122217001 has 2 divisors, whose sum is σ = 202122217002. Its totient is φ = 202122217000.

The previous prime is 202122216973. The next prime is 202122217021. The reversal of 202122217001 is 100712221202.

202122217001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (202122217021) can be obtained adding 202122217001 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176975869225 + 25146347776 = 420685^2 + 158576^2 .

It is a cyclic number.

It is not a de Polignac number, because 202122217001 - 2⁶ = 202122216937 is a prime.

It is not a weakly prime, because it can be changed into another prime (202122217021) 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, 101061108500 + 101061108501.

It is an arithmetic number, because the mean of its divisors is an integer number (101061108501).

Almost surely, 2^202122217001 is an apocalyptic number.

It is an amenable number.

202122217001 is a deficient number, since it is larger than the sum of its proper divisors (1).

202122217001 is an equidigital number, since it uses as much as digits as its factorization.

202122217001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 20.

Adding to 202122217001 its reverse (100712221202), we get a palindrome (302834438203).

The spelling of 202122217001 in words is "two hundred two billion, one hundred twenty-two million, two hundred seventeen thousand, one".