121200112221163 has 2 divisors, whose sum is σ = 121200112221164. Its totient is φ = 121200112221162.

The previous prime is 121200112221137. The next prime is 121200112221229. The reversal of 121200112221163 is 361122211002121.

It is a weak prime.

It is an emirp because it is prime and its reverse (361122211002121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121200112221163 - 2⁵ = 121200112221131 is a prime.

It is not a weakly prime, because it can be changed into another prime (121200112221263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60600056110581 + 60600056110582.

It is an arithmetic number, because the mean of its divisors is an integer number (60600056110582).

Almost surely, 2^{121200112221163} is an apocalyptic number.

121200112221163 is a deficient number, since it is larger than the sum of its proper divisors (1).

121200112221163 is an equidigital number, since it uses as much as digits as its factorization.

121200112221163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 121200112221163 its reverse (361122211002121), we get a palindrome (482322323223284).

The spelling of 121200112221163 in words is "one hundred twenty-one trillion, two hundred billion, one hundred twelve million, two hundred twenty-one thousand, one hundred sixty-three".