12100421101133 has 2 divisors, whose sum is σ = 12100421101134. Its totient is φ = 12100421101132.

The previous prime is 12100421101127. The next prime is 12100421101147. The reversal of 12100421101133 is 33110112400121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10779546701284 + 1320874399849 = 3283222^2 + 1149293^2 .

It is an emirp because it is prime and its reverse (33110112400121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12100421101133 - 2²⁸ = 12100152665677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12100421101733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050210550566 + 6050210550567.

It is an arithmetic number, because the mean of its divisors is an integer number (6050210550567).

Almost surely, 2^{12100421101133} is an apocalyptic number.

It is an amenable number.

12100421101133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12100421101133 is an equidigital number, since it uses as much as digits as its factorization.

12100421101133 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12100421101133 its reverse (33110112400121), we get a palindrome (45210533501254).

The spelling of 12100421101133 in words is "twelve trillion, one hundred billion, four hundred twenty-one million, one hundred one thousand, one hundred thirty-three".