11101200101161 has 2 divisors, whose sum is σ = 11101200101162. Its totient is φ = 11101200101160.

The previous prime is 11101200101137. The next prime is 11101200101191. The reversal of 11101200101161 is 16110100210111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11020700225536 + 80499875625 = 3319744^2 + 283725^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101200101161 - 2⁵ = 11101200101129 is a prime.

It is not a weakly prime, because it can be changed into another prime (11101200101191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550600050580 + 5550600050581.

It is an arithmetic number, because the mean of its divisors is an integer number (5550600050581).

Almost surely, 2^{11101200101161} is an apocalyptic number.

It is an amenable number.

11101200101161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101200101161 is an equidigital number, since it uses as much as digits as its factorization.

11101200101161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 11101200101161 its reverse (16110100210111), we get a palindrome (27211300311272).

The spelling of 11101200101161 in words is "eleven trillion, one hundred one billion, two hundred million, one hundred one thousand, one hundred sixty-one".