110115121 has 2 divisors, whose sum is σ = 110115122. Its totient is φ = 110115120.

The previous prime is 110115113. The next prime is 110115143. The reversal of 110115121 is 121511011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83448225 + 26666896 = 9135^2 + 5164^2 .

It is a cyclic number.

It is not a de Polignac number, because 110115121 - 2³ = 110115113 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (110115221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55057560 + 55057561.

It is an arithmetic number, because the mean of its divisors is an integer number (55057561).

Almost surely, 2^110115121 is an apocalyptic number.

It is an amenable number.

110115121 is a deficient number, since it is larger than the sum of its proper divisors (1).

110115121 is an equidigital number, since it uses as much as digits as its factorization.

110115121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10, while the sum is 13.

The square root of 110115121 is about 10493.5752248697. The cubic root of 110115121 is about 479.3090768375.

Adding to 110115121 its reverse (121511011), we get a palindrome (231626132).

The spelling of 110115121 in words is "one hundred ten million, one hundred fifteen thousand, one hundred twenty-one".