120112002121 has 2 divisors, whose sum is σ = 120112002122. Its totient is φ = 120112002120.

The previous prime is 120112002119. The next prime is 120112002167. The reversal of 120112002121 is 121200211021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113525868096 + 6586134025 = 336936^2 + 81155^2 .

It is a cyclic number.

It is not a de Polignac number, because 120112002121 - 2¹ = 120112002119 is a prime.

Together with 120112002119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (120112002721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60056001060 + 60056001061.

It is an arithmetic number, because the mean of its divisors is an integer number (60056001061).

Almost surely, 2^120112002121 is an apocalyptic number.

It is an amenable number.

120112002121 is a deficient number, since it is larger than the sum of its proper divisors (1).

120112002121 is an equidigital number, since it uses as much as digits as its factorization.

120112002121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 120112002121 its reverse (121200211021), we get a palindrome (241312213142).

The spelling of 120112002121 in words is "one hundred twenty billion, one hundred twelve million, two thousand, one hundred twenty-one".