12221313330101 has 2 divisors, whose sum is σ = 12221313330102. Its totient is φ = 12221313330100.

The previous prime is 12221313330077. The next prime is 12221313330167. The reversal of 12221313330101 is 10103331312221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12133622722225 + 87690607876 = 3483335^2 + 296126^2 .

It is a cyclic number.

It is not a de Polignac number, because 12221313330101 - 2³⁸ = 11946435423157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12221313330181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6110656665050 + 6110656665051.

It is an arithmetic number, because the mean of its divisors is an integer number (6110656665051).

Almost surely, 2^{12221313330101} is an apocalyptic number.

It is an amenable number.

12221313330101 is a deficient number, since it is larger than the sum of its proper divisors (1).

12221313330101 is an equidigital number, since it uses as much as digits as its factorization.

12221313330101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 12221313330101 its reverse (10103331312221), we get a palindrome (22324644642322).

The spelling of 12221313330101 in words is "twelve trillion, two hundred twenty-one billion, three hundred thirteen million, three hundred thirty thousand, one hundred one".