110122220221 has 8 divisors (see below), whose sum is σ = 118596622424. Its totient is φ = 101648312640.

The previous prime is 110122220183. The next prime is 110122220249. The reversal of 110122220221 is 122022221011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 47816568900 + 62305651321 = 218670^2 + 249611^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 110122220221 - 2⁷ = 110122220093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110122220195 and 110122220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110122220321) 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 in 7 ways as a sum of consecutive naturals, for example, 430891 + ... + 637111.

It is an arithmetic number, because the mean of its divisors is an integer number (14824577803).

Almost surely, 2^110122220221 is an apocalyptic number.

It is an amenable number.

110122220221 is a deficient number, since it is larger than the sum of its proper divisors (8474402203).

110122220221 is a wasteful number, since it uses less digits than its factorization.

110122220221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247311.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 110122220221 its reverse (122022221011), we get a palindrome (232144441232).

The spelling of 110122220221 in words is "one hundred ten billion, one hundred twenty-two million, two hundred twenty thousand, two hundred twenty-one".