12210011011061 has 2 divisors, whose sum is σ = 12210011011062. Its totient is φ = 12210011011060.

The previous prime is 12210011011039. The next prime is 12210011011129. The reversal of 12210011011061 is 16011011001221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8841666568036 + 3368344443025 = 2973494^2 + 1835305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12210011011061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12210011010061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105005505530 + 6105005505531.

It is an arithmetic number, because the mean of its divisors is an integer number (6105005505531).

Almost surely, 2^{12210011011061} is an apocalyptic number.

It is an amenable number.

12210011011061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210011011061 is an equidigital number, since it uses as much as digits as its factorization.

12210011011061 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 12210011011061 its reverse (16011011001221), we get a palindrome (28221022012282).

The spelling of 12210011011061 in words is "twelve trillion, two hundred ten billion, eleven million, eleven thousand, sixty-one".