11000012200181 has 2 divisors, whose sum is σ = 11000012200182. Its totient is φ = 11000012200180.

The previous prime is 11000012200169. The next prime is 11000012200231. The reversal of 11000012200181 is 18100221000011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9209677215025 + 1790334985156 = 3034745^2 + 1338034^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11000012200181 is a prime.

It is a super-2 number, since 2×11000012200181² (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 (11000012200381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500006100090 + 5500006100091.

It is an arithmetic number, because the mean of its divisors is an integer number (5500006100091).

Almost surely, 2^{11000012200181} is an apocalyptic number.

It is an amenable number.

11000012200181 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000012200181 is an equidigital number, since it uses as much as digits as its factorization.

11000012200181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11000012200181 its reverse (18100221000011), we get a palindrome (29100233200192).

The spelling of 11000012200181 in words is "eleven trillion, twelve million, two hundred thousand, one hundred eighty-one".