1222112200061 has 2 divisors, whose sum is σ = 1222112200062. Its totient is φ = 1222112200060.

The previous prime is 1222112200033. The next prime is 1222112200207. The reversal of 1222112200061 is 1600022112221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 743033656036 + 479078544025 = 861994^2 + 692155^2 .

It is a cyclic number.

It is not a de Polignac number, because 1222112200061 - 2¹⁰ = 1222112199037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222112200021) 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, 611056100030 + 611056100031.

It is an arithmetic number, because the mean of its divisors is an integer number (611056100031).

Almost surely, 2^{1222112200061} is an apocalyptic number.

It is an amenable number.

1222112200061 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222112200061 is an equidigital number, since it uses as much as digits as its factorization.

1222112200061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1222112200061 its reverse (1600022112221), we get a palindrome (2822134312282).

The spelling of 1222112200061 in words is "one trillion, two hundred twenty-two billion, one hundred twelve million, two hundred thousand, sixty-one".