110000122222181 has 2 divisors, whose sum is σ = 110000122222182. Its totient is φ = 110000122222180.

The previous prime is 110000122222121. The next prime is 110000122222219. The reversal of 110000122222181 is 181222221000011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106143772812100 + 3856349410081 = 10302610^2 + 1963759^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110000122222181 is a prime.

It is a super-2 number, since 2×110000122222181² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110000122222121) 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, 55000061111090 + 55000061111091.

It is an arithmetic number, because the mean of its divisors is an integer number (55000061111091).

Almost surely, 2^{110000122222181} is an apocalyptic number.

It is an amenable number.

110000122222181 is a deficient number, since it is larger than the sum of its proper divisors (1).

110000122222181 is an equidigital number, since it uses as much as digits as its factorization.

110000122222181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 256, while the sum is 23.

Adding to 110000122222181 its reverse (181222221000011), we get a palindrome (291222343222192).

The spelling of 110000122222181 in words is "one hundred ten trillion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred eighty-one".