202220111102197 has 2 divisors, whose sum is σ = 202220111102198. Its totient is φ = 202220111102196.

The previous prime is 202220111102153. The next prime is 202220111102227. The reversal of 202220111102197 is 791201111022202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 176381534518641 + 25838576583556 = 13280871^2 + 5083166^2 .

It is a cyclic number.

It is not a de Polignac number, because 202220111102197 - 2⁷ = 202220111102069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (202220111102297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101110055551098 + 101110055551099.

It is an arithmetic number, because the mean of its divisors is an integer number (101110055551099).

Almost surely, 2^{202220111102197} is an apocalyptic number.

It is an amenable number.

202220111102197 is a deficient number, since it is larger than the sum of its proper divisors (1).

202220111102197 is an equidigital number, since it uses as much as digits as its factorization.

202220111102197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 31.

Adding to 202220111102197 its reverse (791201111022202), we get a palindrome (993421222124399).

The spelling of 202220111102197 in words is "two hundred two trillion, two hundred twenty billion, one hundred eleven million, one hundred two thousand, one hundred ninety-seven".