1110121110223 has 2 divisors, whose sum is σ = 1110121110224. Its totient is φ = 1110121110222.

The previous prime is 1110121110187. The next prime is 1110121110239. The reversal of 1110121110223 is 3220111210111.

It is a happy number.

It is an a-pointer prime, because the next prime (1110121110239) can be obtained adding 1110121110223 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1110121110223 - 2²¹ = 1110119013071 is a prime.

It is a super-2 number, since 2×1110121110223² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1110121110197 and 1110121110206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110121110253) 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, 555060555111 + 555060555112.

It is an arithmetic number, because the mean of its divisors is an integer number (555060555112).

Almost surely, 2^{1110121110223} is an apocalyptic number.

1110121110223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110121110223 is an equidigital number, since it uses as much as digits as its factorization.

1110121110223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1110121110223 its reverse (3220111210111), we get a palindrome (4330232320334).

The spelling of 1110121110223 in words is "one trillion, one hundred ten billion, one hundred twenty-one million, one hundred ten thousand, two hundred twenty-three".