2212102210061 has 2 divisors, whose sum is σ = 2212102210062. Its totient is φ = 2212102210060.

The previous prime is 2212102210009. The next prime is 2212102210091. The reversal of 2212102210061 is 1600122012122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1727555353225 + 484546856836 = 1314365^2 + 696094^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212102210061 - 2¹⁴ = 2212102193677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212102210001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106051105030 + 1106051105031.

It is an arithmetic number, because the mean of its divisors is an integer number (1106051105031).

Almost surely, 2^{2212102210061} is an apocalyptic number.

It is an amenable number.

2212102210061 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212102210061 is an equidigital number, since it uses as much as digits as its factorization.

2212102210061 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 2212102210061 its reverse (1600122012122), we get a palindrome (3812224222183).

The spelling of 2212102210061 in words is "two trillion, two hundred twelve billion, one hundred two million, two hundred ten thousand, sixty-one".