11112001010197 has 2 divisors, whose sum is σ = 11112001010198. Its totient is φ = 11112001010196.

The previous prime is 11112001010191. The next prime is 11112001010251. The reversal of 11112001010197 is 79101010021111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10160545128721 + 951455881476 = 3187561^2 + 975426^2 .

It is a cyclic number.

It is not a de Polignac number, because 11112001010197 - 2⁷ = 11112001010069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11112001010191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556000505098 + 5556000505099.

It is an arithmetic number, because the mean of its divisors is an integer number (5556000505099).

Almost surely, 2^{11112001010197} is an apocalyptic number.

It is an amenable number.

11112001010197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11112001010197 is an equidigital number, since it uses as much as digits as its factorization.

11112001010197 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 25.

The spelling of 11112001010197 in words is "eleven trillion, one hundred twelve billion, one million, ten thousand, one hundred ninety-seven".