11101110197 has 2 divisors, whose sum is σ = 11101110198. Its totient is φ = 11101110196.

The previous prime is 11101110157. The next prime is 11101110233. The reversal of 11101110197 is 79101110111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10194738961 + 906371236 = 100969^2 + 30106^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101110197 - 2⁶ = 11101110133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101110157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550555098 + 5550555099.

It is an arithmetic number, because the mean of its divisors is an integer number (5550555099).

Almost surely, 2^11101110197 is an apocalyptic number.

It is an amenable number.

11101110197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101110197 is an equidigital number, since it uses as much as digits as its factorization.

11101110197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63, while the sum is 23.

The spelling of 11101110197 in words is "eleven billion, one hundred one million, one hundred ten thousand, one hundred ninety-seven".