212222212111289 has 2 divisors, whose sum is σ = 212222212111290. Its totient is φ = 212222212111288.

The previous prime is 212222212111211. The next prime is 212222212111321. The reversal of 212222212111289 is 982111212222212.

212222212111289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210998633227264 + 1223578884025 = 14525792^2 + 1106155^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212222212111289 is a prime.

It is not a weakly prime, because it can be changed into another prime (212222212110289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106111106055644 + 106111106055645.

It is an arithmetic number, because the mean of its divisors is an integer number (106111106055645).

Almost surely, 2^{212222212111289} is an apocalyptic number.

It is an amenable number.

212222212111289 is a deficient number, since it is larger than the sum of its proper divisors (1).

212222212111289 is an equidigital number, since it uses as much as digits as its factorization.

212222212111289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 38.

The spelling of 212222212111289 in words is "two hundred twelve trillion, two hundred twenty-two billion, two hundred twelve million, one hundred eleven thousand, two hundred eighty-nine".