1011114244181 has 2 divisors, whose sum is σ = 1011114244182. Its totient is φ = 1011114244180.

The previous prime is 1011114244169. The next prime is 1011114244219. The reversal of 1011114244181 is 1814424111101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 607088747281 + 404025496900 = 779159^2 + 635630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1011114244181 is a prime.

It is a super-2 number, since 2×1011114244181² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011114249181) 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, 505557122090 + 505557122091.

It is an arithmetic number, because the mean of its divisors is an integer number (505557122091).

Almost surely, 2^{1011114244181} is an apocalyptic number.

It is an amenable number.

1011114244181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011114244181 is an equidigital number, since it uses as much as digits as its factorization.

1011114244181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1024, while the sum is 29.

Adding to 1011114244181 its reverse (1814424111101), we get a palindrome (2825538355282).

The spelling of 1011114244181 in words is "one trillion, eleven billion, one hundred fourteen million, two hundred forty-four thousand, one hundred eighty-one".