12211200222061 has 2 divisors, whose sum is σ = 12211200222062. Its totient is φ = 12211200222060.

The previous prime is 12211200222047. The next prime is 12211200222103. The reversal of 12211200222061 is 16022200211221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12183806661961 + 27393560100 = 3490531^2 + 165510^2 .

It is a cyclic number.

It is not a de Polignac number, because 12211200222061 - 2¹⁹ = 12211199697773 is a prime.

It is a super-2 number, since 2×12211200222061² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12211200225061) 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, 6105600111030 + 6105600111031.

It is an arithmetic number, because the mean of its divisors is an integer number (6105600111031).

Almost surely, 2^{12211200222061} is an apocalyptic number.

It is an amenable number.

12211200222061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12211200222061 is an equidigital number, since it uses as much as digits as its factorization.

12211200222061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 12211200222061 its reverse (16022200211221), we get a palindrome (28233400433282).

The spelling of 12211200222061 in words is "twelve trillion, two hundred eleven billion, two hundred million, two hundred twenty-two thousand, sixty-one".