110121021223 has 4 divisors (see below), whose sum is σ = 111926283928. Its totient is φ = 108315758520.

The previous prime is 110121021221. The next prime is 110121021239. The reversal of 110121021223 is 322120121011.

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 110121021223 - 2¹ = 110121021221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110121021197 and 110121021206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110121021221) 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, 902631261 + ... + 902631382.

It is an arithmetic number, because the mean of its divisors is an integer number (27981570982).

Almost surely, 2^110121021223 is an apocalyptic number.

110121021223 is a deficient number, since it is larger than the sum of its proper divisors (1805262705).

110121021223 is an equidigital number, since it uses as much as digits as its factorization.

110121021223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1805262704.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 110121021223 its reverse (322120121011), we get a palindrome (432241142234).

The spelling of 110121021223 in words is "one hundred ten billion, one hundred twenty-one million, twenty-one thousand, two hundred twenty-three".