1122132211181 has 2 divisors, whose sum is σ = 1122132211182. Its totient is φ = 1122132211180.

The previous prime is 1122132211171. The next prime is 1122132211183. The reversal of 1122132211181 is 1811122312211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 959892427081 + 162239784100 = 979741^2 + 402790^2 .

It is a cyclic number.

It is not a de Polignac number, because 1122132211181 - 2²⁶ = 1122065102317 is a prime.

It is a super-2 number, since 2×1122132211181² (a number of 25 digits) contains 22 as substring.

Together with 1122132211183, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1122132211181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122132211183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561066105590 + 561066105591.

It is an arithmetic number, because the mean of its divisors is an integer number (561066105591).

Almost surely, 2^{1122132211181} is an apocalyptic number.

It is an amenable number.

1122132211181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122132211181 is an equidigital number, since it uses as much as digits as its factorization.

1122132211181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 26.

Adding to 1122132211181 its reverse (1811122312211), we get a palindrome (2933254523392).

The spelling of 1122132211181 in words is "one trillion, one hundred twenty-two billion, one hundred thirty-two million, two hundred eleven thousand, one hundred eighty-one".