112102121202121 has 2 divisors, whose sum is σ = 112102121202122. Its totient is φ = 112102121202120.

The previous prime is 112102121202077. The next prime is 112102121202191. The reversal of 112102121202121 is 121202121201211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 101476711809225 + 10625409392896 = 10073565^2 + 3259664^2 .

It is an emirp because it is prime and its reverse (121202121201211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112102121202121 - 2¹¹ = 112102121200073 is a prime.

It is not a weakly prime, because it can be changed into another prime (112102121202191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56051060601060 + 56051060601061.

It is an arithmetic number, because the mean of its divisors is an integer number (56051060601061).

Almost surely, 2^{112102121202121} is an apocalyptic number.

It is an amenable number.

112102121202121 is a deficient number, since it is larger than the sum of its proper divisors (1).

112102121202121 is an equidigital number, since it uses as much as digits as its factorization.

112102121202121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 112102121202121 its reverse (121202121201211), we get a palindrome (233304242403332).

The spelling of 112102121202121 in words is "one hundred twelve trillion, one hundred two billion, one hundred twenty-one million, two hundred two thousand, one hundred twenty-one".