230112121 has 2 divisors, whose sum is σ = 230112122. Its totient is φ = 230112120.

The previous prime is 230112107. The next prime is 230112143. The reversal of 230112121 is 121211032.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225000000 + 5112121 = 15000^2 + 2261^2 .

It is a cyclic number.

It is not a de Polignac number, because 230112121 - 2⁵ = 230112089 is a prime.

It is a super-2 number, since 2×230112121² = 105903176462237282, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (230112161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115056060 + 115056061.

It is an arithmetic number, because the mean of its divisors is an integer number (115056061).

Almost surely, 2^230112121 is an apocalyptic number.

It is an amenable number.

230112121 is a deficient number, since it is larger than the sum of its proper divisors (1).

230112121 is an equidigital number, since it uses as much as digits as its factorization.

230112121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 230112121 is about 15169.4469576185. The cubic root of 230112121 is about 612.7921103398.

Adding to 230112121 its reverse (121211032), we get a palindrome (351323153).

The spelling of 230112121 in words is "two hundred thirty million, one hundred twelve thousand, one hundred twenty-one".