1102001121181 has 2 divisors, whose sum is σ = 1102001121182. Its totient is φ = 1102001121180.

The previous prime is 1102001121173. The next prime is 1102001121229. The reversal of 1102001121181 is 1811211002011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 838385621956 + 263615499225 = 915634^2 + 513435^2 .

It is a cyclic number.

It is not a de Polignac number, because 1102001121181 - 2³ = 1102001121173 is a prime.

It is a super-2 number, since 2×1102001121181² (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 (1102001127181) 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, 551000560590 + 551000560591.

It is an arithmetic number, because the mean of its divisors is an integer number (551000560591).

Almost surely, 2^{1102001121181} is an apocalyptic number.

It is an amenable number.

1102001121181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1102001121181 is an equidigital number, since it uses as much as digits as its factorization.

1102001121181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 19.

Adding to 1102001121181 its reverse (1811211002011), we get a palindrome (2913212123192).

The spelling of 1102001121181 in words is "one trillion, one hundred two billion, one million, one hundred twenty-one thousand, one hundred eighty-one".