222212101111009 has 2 divisors, whose sum is σ = 222212101111010. Its totient is φ = 222212101111008.

The previous prime is 222212101110959. The next prime is 222212101111019. The reversal of 222212101111009 is 900111101212222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 173930518345984 + 48281582765025 = 13188272^2 + 6948495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222212101111009 is a prime.

It is not a weakly prime, because it can be changed into another prime (222212101111019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111106050555504 + 111106050555505.

It is an arithmetic number, because the mean of its divisors is an integer number (111106050555505).

Almost surely, 2^{222212101111009} is an apocalyptic number.

It is an amenable number.

222212101111009 is a deficient number, since it is larger than the sum of its proper divisors (1).

222212101111009 is an equidigital number, since it uses as much as digits as its factorization.

222212101111009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 222212101111009 in words is "two hundred twenty-two trillion, two hundred twelve billion, one hundred one million, one hundred eleven thousand, nine".