1100112197 has 2 divisors, whose sum is σ = 1100112198. Its totient is φ = 1100112196.

The previous prime is 1100112191. The next prime is 1100112229. The reversal of 1100112197 is 7912110011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1093691041 + 6421156 = 33071^2 + 2534^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100112197 - 2⁶ = 1100112133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100112191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550056098 + 550056099.

It is an arithmetic number, because the mean of its divisors is an integer number (550056099).

Almost surely, 2^1100112197 is an apocalyptic number.

It is an amenable number.

1100112197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100112197 is an equidigital number, since it uses as much as digits as its factorization.

1100112197 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 square root of 1100112197 is about 33167.9392938422. The cubic root of 1100112197 is about 1032.3152108487.

The spelling of 1100112197 in words is "one billion, one hundred million, one hundred twelve thousand, one hundred ninety-seven".