2211222110189 has 2 divisors, whose sum is σ = 2211222110190. Its totient is φ = 2211222110188.

The previous prime is 2211222110177. The next prime is 2211222110233. The reversal of 2211222110189 is 9810112221122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2192300732164 + 18921378025 = 1480642^2 + 137555^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2211222110189 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2211222110789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105611055094 + 1105611055095.

It is an arithmetic number, because the mean of its divisors is an integer number (1105611055095).

Almost surely, 2^{2211222110189} is an apocalyptic number.

It is an amenable number.

2211222110189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211222110189 is an equidigital number, since it uses as much as digits as its factorization.

2211222110189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 32.

The spelling of 2211222110189 in words is "two trillion, two hundred eleven billion, two hundred twenty-two million, one hundred ten thousand, one hundred eighty-nine".