112100100000121 has 2 divisors, whose sum is σ = 112100100000122. Its totient is φ = 112100100000120.

The previous prime is 112100100000073. The next prime is 112100100000167. The reversal of 112100100000121 is 121000001001211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107550091044496 + 4550008955625 = 10370636^2 + 2133075^2 .

It is a cyclic number.

It is not a de Polignac number, because 112100100000121 - 2⁹ = 112100099999609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 112100100000098 and 112100100000107.

It is not a weakly prime, because it can be changed into another prime (112100100001121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56050050000060 + 56050050000061.

It is an arithmetic number, because the mean of its divisors is an integer number (56050050000061).

Almost surely, 2^{112100100000121} is an apocalyptic number.

It is an amenable number.

112100100000121 is a deficient number, since it is larger than the sum of its proper divisors (1).

112100100000121 is an equidigital number, since it uses as much as digits as its factorization.

112100100000121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 112100100000121 its reverse (121000001001211), we get a palindrome (233100101001332).

The spelling of 112100100000121 in words is "one hundred twelve trillion, one hundred billion, one hundred million, one hundred twenty-one", and thus it is an aban number.