202102216201 has 2 divisors, whose sum is σ = 202102216202. Its totient is φ = 202102216200.

The previous prime is 202102216187. The next prime is 202102216243. The reversal of 202102216201 is 102612201202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120217532176 + 81884684025 = 346724^2 + 286155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-202102216201 is a prime.

It is not a weakly prime, because it can be changed into another prime (202102216601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101051108100 + 101051108101.

It is an arithmetic number, because the mean of its divisors is an integer number (101051108101).

Almost surely, 2^202102216201 is an apocalyptic number.

It is an amenable number.

202102216201 is a deficient number, since it is larger than the sum of its proper divisors (1).

202102216201 is an equidigital number, since it uses as much as digits as its factorization.

202102216201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 202102216201 its reverse (102612201202), we get a palindrome (304714417403).

The spelling of 202102216201 in words is "two hundred two billion, one hundred two million, two hundred sixteen thousand, two hundred one".