110121220103 has 4 divisors (see below), whose sum is σ = 110513110848. Its totient is φ = 109729329360.

The previous prime is 110121220081. The next prime is 110121220117. The reversal of 110121220103 is 301022121011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 301022121011 = 2293 ⋅131278727.

It is a cyclic number.

It is not a de Polignac number, because 110121220103 - 2¹⁴ = 110121203719 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 (110121120103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195944951 + ... + 195945512.

It is an arithmetic number, because the mean of its divisors is an integer number (27628277712).

Almost surely, 2^110121220103 is an apocalyptic number.

110121220103 is a deficient number, since it is larger than the sum of its proper divisors (391890745).

110121220103 is an equidigital number, since it uses as much as digits as its factorization.

110121220103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391890744.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 110121220103 its reverse (301022121011), we get a palindrome (411143341114).

The spelling of 110121220103 in words is "one hundred ten billion, one hundred twenty-one million, two hundred twenty thousand, one hundred three".