110115221 has 2 divisors, whose sum is σ = 110115222. Its totient is φ = 110115220.

The previous prime is 110115199. The next prime is 110115277. The reversal of 110115221 is 122511011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110019121 + 96100 = 10489^2 + 310^2 .

It is a cyclic number.

It is not a de Polignac number, because 110115221 - 2¹⁰ = 110114197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110115196 and 110115205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110115121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55057610 + 55057611.

It is an arithmetic number, because the mean of its divisors is an integer number (55057611).

Almost surely, 2^110115221 is an apocalyptic number.

It is an amenable number.

110115221 is a deficient number, since it is larger than the sum of its proper divisors (1).

110115221 is an equidigital number, since it uses as much as digits as its factorization.

110115221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 14.

The square root of 110115221 is about 10493.5799896889. The cubic root of 110115221 is about 479.3092219308.

Adding to 110115221 its reverse (122511011), we get a palindrome (232626232).

The spelling of 110115221 in words is "one hundred ten million, one hundred fifteen thousand, two hundred twenty-one".