110112221 has 2 divisors, whose sum is σ = 110112222.
Its totient is φ = 110112220.
The previous prime is 110112193. The next prime is 110112227. The reversal of 110112221 is 122211011.
Adding to 110112221 its reverse (122211011), we get a palindrome (232323232).
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 109956196 + 156025 = 10486^2 + 395^2
It is a cyclic number.
It is not a de Polignac number, because 110112221 - 26 = 110112157 is a prime.
It is a super-3 number, since 3×1101122213 (a number of 25 digits) contains 333 as substring.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (110112227) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55056110 + 55056111.
It is an arithmetic number, because the mean of its divisors is an integer number (55056111).
Almost surely, 2110112221 is an apocalyptic number.
It is an amenable number.
110112221 is a deficient number, since it is larger than the sum of its proper divisors (1).
110112221 is an equidigital number, since it uses as much as digits as its factorization.
110112221 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 8, while the sum is 11.
The square root of 110112221 is about 10493.4370441719.
The cubic root of 110112221 is about 479.3048690941.
The spelling of 110112221 in words is "one hundred ten million, one hundred twelve thousand, two hundred twenty-one".