1100323102181 has 2 divisors, whose sum is σ = 1100323102182. Its totient is φ = 1100323102180.

The previous prime is 1100323102163. The next prime is 1100323102201. The reversal of 1100323102181 is 1812013230011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 823494541156 + 276828561025 = 907466^2 + 526145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100323102181 is a prime.

It is a super-4 number, since 4×1100323102181⁴ (a number of 49 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100323101181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550161551090 + 550161551091.

It is an arithmetic number, because the mean of its divisors is an integer number (550161551091).

Almost surely, 2^{1100323102181} is an apocalyptic number.

It is an amenable number.

1100323102181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100323102181 is an equidigital number, since it uses as much as digits as its factorization.

1100323102181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

Adding to 1100323102181 its reverse (1812013230011), we get a palindrome (2912336332192).

The spelling of 1100323102181 in words is "one trillion, one hundred billion, three hundred twenty-three million, one hundred two thousand, one hundred eighty-one".