11122201101181 has 2 divisors, whose sum is σ = 11122201101182. Its totient is φ = 11122201101180.

The previous prime is 11122201101163. The next prime is 11122201101227. The reversal of 11122201101181 is 18110110222111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8505733098681 + 2616468002500 = 2916459^2 + 1617550^2 .

It is a cyclic number.

It is not a de Polignac number, because 11122201101181 - 2¹⁷ = 11122200970109 is a prime.

It is a super-2 number, since 2×11122201101181² (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 (11122201101131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5561100550590 + 5561100550591.

It is an arithmetic number, because the mean of its divisors is an integer number (5561100550591).

Almost surely, 2^{11122201101181} is an apocalyptic number.

It is an amenable number.

11122201101181 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122201101181 is an equidigital number, since it uses as much as digits as its factorization.

11122201101181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 22.

Adding to 11122201101181 its reverse (18110110222111), we get a palindrome (29232311323292).

The spelling of 11122201101181 in words is "eleven trillion, one hundred twenty-two billion, two hundred one million, one hundred one thousand, one hundred eighty-one".