1111000200181 has 2 divisors, whose sum is σ = 1111000200182. Its totient is φ = 1111000200180.

The previous prime is 1111000200173. The next prime is 1111000200203. The reversal of 1111000200181 is 1810020001111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 910774379025 + 200225821156 = 954345^2 + 447466^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111000200181 - 2³ = 1111000200173 is a prime.

It is a super-2 number, since 2×1111000200181² (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 (1111000230181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555500100090 + 555500100091.

It is an arithmetic number, because the mean of its divisors is an integer number (555500100091).

Almost surely, 2^{1111000200181} is an apocalyptic number.

It is an amenable number.

1111000200181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111000200181 is an equidigital number, since it uses as much as digits as its factorization.

1111000200181 is an odious number, because the sum of its binary digits is odd.

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

Adding to 1111000200181 its reverse (1810020001111), we get a palindrome (2921020201292).

The spelling of 1111000200181 in words is "one trillion, one hundred eleven billion, two hundred thousand, one hundred eighty-one".