11100202202161 has 2 divisors, whose sum is σ = 11100202202162. Its totient is φ = 11100202202160.

The previous prime is 11100202202143. The next prime is 11100202202183. The reversal of 11100202202161 is 16120220200111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11099292033600 + 910168561 = 3331560^2 + 30169^2 .

It is a cyclic number.

It is not a de Polignac number, because 11100202202161 - 2⁵ = 11100202202129 is a prime.

It is not a weakly prime, because it can be changed into another prime (11100202242161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550101101080 + 5550101101081.

It is an arithmetic number, because the mean of its divisors is an integer number (5550101101081).

Almost surely, 2^{11100202202161} is an apocalyptic number.

It is an amenable number.

11100202202161 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100202202161 is an equidigital number, since it uses as much as digits as its factorization.

11100202202161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 11100202202161 its reverse (16120220200111), we get a palindrome (27220422402272).

The spelling of 11100202202161 in words is "eleven trillion, one hundred billion, two hundred two million, two hundred two thousand, one hundred sixty-one".