110101220123 has 4 divisors (see below), whose sum is σ = 110234033040. Its totient is φ = 109968407208.

The previous prime is 110101220111. The next prime is 110101220213. The reversal of 110101220123 is 321022101011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321022101011 = 89 ⋅3606989899.

It is a cyclic number.

It is not a de Polignac number, because 110101220123 - 2⁶ = 110101220059 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110101220098 and 110101220107.

It is not an unprimeable number, because it can be changed into a prime (110101222123) 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, 66405215 + ... + 66406872.

It is an arithmetic number, because the mean of its divisors is an integer number (27558508260).

Almost surely, 2^110101220123 is an apocalyptic number.

110101220123 is a deficient number, since it is larger than the sum of its proper divisors (132812917).

110101220123 is an equidigital number, since it uses as much as digits as its factorization.

110101220123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132812916.

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

Adding to 110101220123 its reverse (321022101011), we get a palindrome (431123321134).

The spelling of 110101220123 in words is "one hundred ten billion, one hundred one million, two hundred twenty thousand, one hundred twenty-three".