202201220213 has 2 divisors, whose sum is σ = 202201220214. Its totient is φ = 202201220212.

The previous prime is 202201220203. The next prime is 202201220227. The reversal of 202201220213 is 312022102202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118947042769 + 83254177444 = 344887^2 + 288538^2 .

It is a cyclic number.

It is not a de Polignac number, because 202201220213 - 2²² = 202197025909 is a prime.

It is a super-2 number, since 2×202201220213² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202201220191 and 202201220200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202201220203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101100610106 + 101100610107.

It is an arithmetic number, because the mean of its divisors is an integer number (101100610107).

Almost surely, 2^202201220213 is an apocalyptic number.

It is an amenable number.

202201220213 is a deficient number, since it is larger than the sum of its proper divisors (1).

202201220213 is an equidigital number, since it uses as much as digits as its factorization.

202201220213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 202201220213 its reverse (312022102202), we get a palindrome (514223322415).

The spelling of 202201220213 in words is "two hundred two billion, two hundred one million, two hundred twenty thousand, two hundred thirteen".