2011003104181 has 2 divisors, whose sum is σ = 2011003104182. Its totient is φ = 2011003104180.

The previous prime is 2011003104169. The next prime is 2011003104247. The reversal of 2011003104181 is 1814013001102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1231287613956 + 779715490225 = 1109634^2 + 883015^2 .

It is a cyclic number.

It is not a de Polignac number, because 2011003104181 - 2¹³ = 2011003095989 is a prime.

It is a super-2 number, since 2×2011003104181² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2011003104151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005501552090 + 1005501552091.

It is an arithmetic number, because the mean of its divisors is an integer number (1005501552091).

Almost surely, 2^{2011003104181} is an apocalyptic number.

It is an amenable number.

2011003104181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2011003104181 is an equidigital number, since it uses as much as digits as its factorization.

2011003104181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 2011003104181 its reverse (1814013001102), we get a palindrome (3825016105283).

The spelling of 2011003104181 in words is "two trillion, eleven billion, three million, one hundred four thousand, one hundred eighty-one".