110110121222197 has 2 divisors, whose sum is σ = 110110121222198. Its totient is φ = 110110121222196.

The previous prime is 110110121222149. The next prime is 110110121222279. The reversal of 110110121222197 is 791222121011011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74881314253201 + 35228806968996 = 8653399^2 + 5935386^2 .

It is a cyclic number.

It is not a de Polignac number, because 110110121222197 - 2¹¹ = 110110121220149 is a prime.

It is a super-2 number, since 2×110110121222197² (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 (110110121222107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55055060611098 + 55055060611099.

It is an arithmetic number, because the mean of its divisors is an integer number (55055060611099).

Almost surely, 2^{110110121222197} is an apocalyptic number.

It is an amenable number.

110110121222197 is a deficient number, since it is larger than the sum of its proper divisors (1).

110110121222197 is an equidigital number, since it uses as much as digits as its factorization.

110110121222197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 31.

The spelling of 110110121222197 in words is "one hundred ten trillion, one hundred ten billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred ninety-seven".