110112210221 has 4 divisors (see below), whose sum is σ = 118582380252. Its totient is φ = 101642040192.

The previous prime is 110112210209. The next prime is 110112210227. The reversal of 110112210221 is 122012211011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 66829488196 + 43282722025 = 258514^2 + 208045^2 .

It is a cyclic number.

It is not a de Polignac number, because 110112210221 - 2³⁰ = 109038468397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110112210196 and 110112210205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110112210227) 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, 4235084996 + ... + 4235085021.

It is an arithmetic number, because the mean of its divisors is an integer number (29645595063).

Almost surely, 2^110112210221 is an apocalyptic number.

It is an amenable number.

110112210221 is a deficient number, since it is larger than the sum of its proper divisors (8470170031).

110112210221 is an equidigital number, since it uses as much as digits as its factorization.

110112210221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8470170030.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 110112210221 its reverse (122012211011), we get a palindrome (232124421232).

The spelling of 110112210221 in words is "one hundred ten billion, one hundred twelve million, two hundred ten thousand, two hundred twenty-one".