1110122022181 has 2 divisors, whose sum is σ = 1110122022182. Its totient is φ = 1110122022180.

The previous prime is 1110122022179. The next prime is 1110122022241. The reversal of 1110122022181 is 1812202210111.

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., 1045692353281 + 64429668900 = 1022591^2 + 253830^2 .

It is an emirp because it is prime and its reverse (1812202210111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1110122022181 - 2¹ = 1110122022179 is a prime.

It is a super-2 number, since 2×1110122022181² (a number of 25 digits) contains 22 as substring.

Together with 1110122022179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110122022101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555061011090 + 555061011091.

It is an arithmetic number, because the mean of its divisors is an integer number (555061011091).

Almost surely, 2^{1110122022181} is an apocalyptic number.

It is an amenable number.

1110122022181 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110122022181 is an equidigital number, since it uses as much as digits as its factorization.

1110122022181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 22.

Adding to 1110122022181 its reverse (1812202210111), we get a palindrome (2922324232292).

The spelling of 1110122022181 in words is "one trillion, one hundred ten billion, one hundred twenty-two million, twenty-two thousand, one hundred eighty-one".