1110232312181 has 2 divisors, whose sum is σ = 1110232312182. Its totient is φ = 1110232312180.

The previous prime is 1110232312141. The next prime is 1110232312199. The reversal of 1110232312181 is 1812132320111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 992474212900 + 117758099281 = 996230^2 + 343159^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110232312181 - 2¹⁰ = 1110232311157 is a prime.

It is a super-2 number, since 2×1110232312181² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1110232312181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110232312141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555116156090 + 555116156091.

It is an arithmetic number, because the mean of its divisors is an integer number (555116156091).

Almost surely, 2^{1110232312181} is an apocalyptic number.

It is an amenable number.

1110232312181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110232312181 is an equidigital number, since it uses as much as digits as its factorization.

1110232312181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

Adding to 1110232312181 its reverse (1812132320111), we get a palindrome (2922364632292).

The spelling of 1110232312181 in words is "one trillion, one hundred ten billion, two hundred thirty-two million, three hundred twelve thousand, one hundred eighty-one".