11012122201181 has 2 divisors, whose sum is σ = 11012122201182. Its totient is φ = 11012122201180.

The previous prime is 11012122201163. The next prime is 11012122201229. The reversal of 11012122201181 is 18110222121011.

11012122201181 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6418794529156 + 4593327672025 = 2533534^2 + 2143205^2 .

It is a cyclic number.

It is not a de Polignac number, because 11012122201181 - 2¹⁴ = 11012122184797 is a prime.

It is a super-2 number, since 2×11012122201181² (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 (11012122201081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5506061100590 + 5506061100591.

It is an arithmetic number, because the mean of its divisors is an integer number (5506061100591).

Almost surely, 2^{11012122201181} is an apocalyptic number.

It is an amenable number.

11012122201181 is a deficient number, since it is larger than the sum of its proper divisors (1).

11012122201181 is an equidigital number, since it uses as much as digits as its factorization.

11012122201181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 23.

Adding to 11012122201181 its reverse (18110222121011), we get a palindrome (29122344322192).

The spelling of 11012122201181 in words is "eleven trillion, twelve billion, one hundred twenty-two million, two hundred one thousand, one hundred eighty-one".