12101021002043 has 2 divisors, whose sum is σ = 12101021002044. Its totient is φ = 12101021002042.

The previous prime is 12101021002001. The next prime is 12101021002117. The reversal of 12101021002043 is 34020012010121.

It is a weak prime.

It is an emirp because it is prime and its reverse (34020012010121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12101021002043 - 2³⁸ = 11826143095099 is a prime.

It is a super-3 number, since 3×12101021002043³ (a number of 40 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12101021004043) 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, 6050510501021 + 6050510501022.

It is an arithmetic number, because the mean of its divisors is an integer number (6050510501022).

Almost surely, 2^{12101021002043} is an apocalyptic number.

12101021002043 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101021002043 is an equidigital number, since it uses as much as digits as its factorization.

12101021002043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 12101021002043 its reverse (34020012010121), we get a palindrome (46121033012164).

The spelling of 12101021002043 in words is "twelve trillion, one hundred one billion, twenty-one million, two thousand, forty-three".