12011011020101 has 2 divisors, whose sum is σ = 12011011020102. Its totient is φ = 12011011020100.

The previous prime is 12011011020077. The next prime is 12011011020109. The reversal of 12011011020101 is 10102011011021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8686424031076 + 3324586989025 = 2947274^2 + 1823345^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011011020101 - 2⁶ = 12011011020037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12011011020109) 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, 6005505510050 + 6005505510051.

It is an arithmetic number, because the mean of its divisors is an integer number (6005505510051).

Almost surely, 2^{12011011020101} is an apocalyptic number.

It is an amenable number.

12011011020101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011011020101 is an equidigital number, since it uses as much as digits as its factorization.

12011011020101 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 12011011020101 its reverse (10102011011021), we get a palindrome (22113022031122).

The spelling of 12011011020101 in words is "twelve trillion, eleven billion, eleven million, twenty thousand, one hundred one".