11100110121181 has 2 divisors, whose sum is σ = 11100110121182. Its totient is φ = 11100110121180.

The previous prime is 11100110121091. The next prime is 11100110121223. The reversal of 11100110121181 is 18112101100111.

11100110121181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10900126753156 + 199983368025 = 3301534^2 + 447195^2 .

It is a cyclic number.

It is not a de Polignac number, because 11100110121181 - 2¹³ = 11100110112989 is a prime.

It is a super-2 number, since 2×11100110121181² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11100110151181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550055060590 + 5550055060591.

It is an arithmetic number, because the mean of its divisors is an integer number (5550055060591).

Almost surely, 2^{11100110121181} is an apocalyptic number.

It is an amenable number.

11100110121181 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100110121181 is an equidigital number, since it uses as much as digits as its factorization.

11100110121181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 19.

Adding to 11100110121181 its reverse (18112101100111), we get a palindrome (29212211221292).

The spelling of 11100110121181 in words is "eleven trillion, one hundred billion, one hundred ten million, one hundred twenty-one thousand, one hundred eighty-one".