110220112021 has 2 divisors, whose sum is σ = 110220112022. Its totient is φ = 110220112020.

The previous prime is 110220112001. The next prime is 110220112027. The reversal of 110220112021 is 120211022011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 77400804100 + 32819307921 = 278210^2 + 181161^2 .

It is a cyclic number.

It is not a de Polignac number, because 110220112021 - 2¹⁹ = 110219587733 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110220111992 and 110220112010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110220112027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55110056010 + 55110056011.

It is an arithmetic number, because the mean of its divisors is an integer number (55110056011).

Almost surely, 2^110220112021 is an apocalyptic number.

It is an amenable number.

110220112021 is a deficient number, since it is larger than the sum of its proper divisors (1).

110220112021 is an equidigital number, since it uses as much as digits as its factorization.

110220112021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110220112021 its reverse (120211022011), we get a palindrome (230431134032).

The spelling of 110220112021 in words is "one hundred ten billion, two hundred twenty million, one hundred twelve thousand, twenty-one".