112102121 has 2 divisors, whose sum is σ = 112102122. Its totient is φ = 112102120.

The previous prime is 112102099. The next prime is 112102129. The reversal of 112102121 is 121201211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72914521 + 39187600 = 8539^2 + 6260^2 .

It is a cyclic number.

It is not a de Polignac number, because 112102121 - 2⁶ = 112102057 is a prime.

It is not a weakly prime, because it can be changed into another prime (112102129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56051060 + 56051061.

It is an arithmetic number, because the mean of its divisors is an integer number (56051061).

Almost surely, 2^112102121 is an apocalyptic number.

It is an amenable number.

112102121 is a deficient number, since it is larger than the sum of its proper divisors (1).

112102121 is an equidigital number, since it uses as much as digits as its factorization.

112102121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 112102121 is about 10587.8289087046. The cubic root of 112102121 is about 482.1749119842.

Adding to 112102121 its reverse (121201211), we get a palindrome (233303332).

It can be divided in two parts, 11210 and 2121, that added together give a palindrome (13331).

The spelling of 112102121 in words is "one hundred twelve million, one hundred two thousand, one hundred twenty-one".