1110121120223 has 4 divisors (see below), whose sum is σ = 1110123402168. Its totient is φ = 1110118838280.

The previous prime is 1110121120177. The next prime is 1110121120231. The reversal of 1110121120223 is 3220211210111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1110121120223 - 2¹⁰ = 1110121119199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110121120243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86261 + ... + 1492542.

It is an arithmetic number, because the mean of its divisors is an integer number (277530850542).

Almost surely, 2^{1110121120223} is an apocalyptic number.

1110121120223 is a deficient number, since it is larger than the sum of its proper divisors (2281945).

1110121120223 is an equidigital number, since it uses as much as digits as its factorization.

1110121120223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281944.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1110121120223 its reverse (3220211210111), we get a palindrome (4330332330334).

The spelling of 1110121120223 in words is "one trillion, one hundred ten billion, one hundred twenty-one million, one hundred twenty thousand, two hundred twenty-three".