11121110102197 has 2 divisors, whose sum is σ = 11121110102198. Its totient is φ = 11121110102196.

The previous prime is 11121110102191. The next prime is 11121110102231. The reversal of 11121110102197 is 79120101112111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6867785457316 + 4253324644881 = 2620646^2 + 2062359^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121110102197 - 2³ = 11121110102189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11121110102191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560555051098 + 5560555051099.

It is an arithmetic number, because the mean of its divisors is an integer number (5560555051099).

Almost surely, 2^{11121110102197} is an apocalyptic number.

It is an amenable number.

11121110102197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121110102197 is an equidigital number, since it uses as much as digits as its factorization.

11121110102197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 28.

The spelling of 11121110102197 in words is "eleven trillion, one hundred twenty-one billion, one hundred ten million, one hundred two thousand, one hundred ninety-seven".