11202020197 has 2 divisors, whose sum is σ = 11202020198. Its totient is φ = 11202020196.

The previous prime is 11202020161. The next prime is 11202020231. The reversal of 11202020197 is 79102020211.

11202020197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9799218081 + 1402802116 = 98991^2 + 37454^2 .

It is a cyclic number.

It is not a de Polignac number, because 11202020197 - 2¹⁹ = 11201495909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11202027197) 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, 5601010098 + 5601010099.

It is an arithmetic number, because the mean of its divisors is an integer number (5601010099).

Almost surely, 2^11202020197 is an apocalyptic number.

It is an amenable number.

11202020197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202020197 is an equidigital number, since it uses as much as digits as its factorization.

11202020197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 25.

The spelling of 11202020197 in words is "eleven billion, two hundred two million, twenty thousand, one hundred ninety-seven".