11101143197 has 2 divisors, whose sum is σ = 11101143198. Its totient is φ = 11101143196.

The previous prime is 11101143187. The next prime is 11101143299. The reversal of 11101143197 is 79134110111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6204082756 + 4897060441 = 78766^2 + 69979^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101143197 - 2²² = 11096948893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101143187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550571598 + 5550571599.

It is an arithmetic number, because the mean of its divisors is an integer number (5550571599).

Almost surely, 2^11101143197 is an apocalyptic number.

It is an amenable number.

11101143197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101143197 is an equidigital number, since it uses as much as digits as its factorization.

11101143197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 29.

The spelling of 11101143197 in words is "eleven billion, one hundred one million, one hundred forty-three thousand, one hundred ninety-seven".