11110020197 has 2 divisors, whose sum is σ = 11110020198. Its totient is φ = 11110020196.

The previous prime is 11110020169. The next prime is 11110020239. The reversal of 11110020197 is 79102001111.

It is a happy number.

11110020197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7795830436 + 3314189761 = 88294^2 + 57569^2 .

It is a cyclic number.

It is not a de Polignac number, because 11110020197 - 2¹⁴ = 11110003813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11110020137) 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, 5555010098 + 5555010099.

It is an arithmetic number, because the mean of its divisors is an integer number (5555010099).

Almost surely, 2^11110020197 is an apocalyptic number.

It is an amenable number.

11110020197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11110020197 is an equidigital number, since it uses as much as digits as its factorization.

11110020197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126, while the sum is 23.

The spelling of 11110020197 in words is "eleven billion, one hundred ten million, twenty thousand, one hundred ninety-seven".