12001110010121 has 2 divisors, whose sum is σ = 12001110010122. Its totient is φ = 12001110010120.

The previous prime is 12001110010117. The next prime is 12001110010171. The reversal of 12001110010121 is 12101001110021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11937101010121 + 64009000000 = 3455011^2 + 253000^2 .

It is a cyclic number.

It is not a de Polignac number, because 12001110010121 - 2² = 12001110010117 is a prime.

It is not a weakly prime, because it can be changed into another prime (12001110010171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000555005060 + 6000555005061.

It is an arithmetic number, because the mean of its divisors is an integer number (6000555005061).

Almost surely, 2^{12001110010121} is an apocalyptic number.

It is an amenable number.

12001110010121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001110010121 is an equidigital number, since it uses as much as digits as its factorization.

12001110010121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12001110010121 its reverse (12101001110021), we get a palindrome (24102111120142).

The spelling of 12001110010121 in words is "twelve trillion, one billion, one hundred ten million, ten thousand, one hundred twenty-one".