12011113211101 has 2 divisors, whose sum is σ = 12011113211102. Its totient is φ = 12011113211100.

The previous prime is 12011113211057. The next prime is 12011113211113. The reversal of 12011113211101 is 10111231111021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11446218167076 + 564895044025 = 3383226^2 + 751595^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011113211101 - 2³⁹ = 11461357397213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011113211401) 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, 6005556605550 + 6005556605551.

It is an arithmetic number, because the mean of its divisors is an integer number (6005556605551).

Almost surely, 2^{12011113211101} is an apocalyptic number.

It is an amenable number.

12011113211101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011113211101 is an equidigital number, since it uses as much as digits as its factorization.

12011113211101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 16.

Adding to 12011113211101 its reverse (10111231111021), we get a palindrome (22122344322122).

The spelling of 12011113211101 in words is "twelve trillion, eleven billion, one hundred thirteen million, two hundred eleven thousand, one hundred one".