12201111001061 has 2 divisors, whose sum is σ = 12201111001062. Its totient is φ = 12201111001060.

The previous prime is 12201111001049. The next prime is 12201111001073. The reversal of 12201111001061 is 16010011110221.

It is a balanced prime because it is at equal distance from previous prime (12201111001049) and next prime (12201111001073).

It can be written as a sum of positive squares in only one way, i.e., 9897120948961 + 2303990052100 = 3145969^2 + 1517890^2 .

It is a cyclic number.

It is not a de Polignac number, because 12201111001061 - 2⁶ = 12201111000997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12201111001021) 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, 6100555500530 + 6100555500531.

It is an arithmetic number, because the mean of its divisors is an integer number (6100555500531).

Almost surely, 2^{12201111001061} is an apocalyptic number.

It is an amenable number.

12201111001061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12201111001061 is an equidigital number, since it uses as much as digits as its factorization.

12201111001061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 12201111001061 its reverse (16010011110221), we get a palindrome (28211122111282).

The spelling of 12201111001061 in words is "twelve trillion, two hundred one billion, one hundred eleven million, one thousand, sixty-one".