2211223122203 has 2 divisors, whose sum is σ = 2211223122204. Its totient is φ = 2211223122202.

The previous prime is 2211223122197. The next prime is 2211223122233. The reversal of 2211223122203 is 3022213221122.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2211223122203 - 2⁴ = 2211223122187 is a prime.

It is not a weakly prime, because it can be changed into another prime (2211223122233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1105611561101 + 1105611561102.

It is an arithmetic number, because the mean of its divisors is an integer number (1105611561102).

Almost surely, 2^{2211223122203} is an apocalyptic number.

2211223122203 is a deficient number, since it is larger than the sum of its proper divisors (1).

2211223122203 is an equidigital number, since it uses as much as digits as its factorization.

2211223122203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 2211223122203 its reverse (3022213221122), we get a palindrome (5233436343325).

The spelling of 2211223122203 in words is "two trillion, two hundred eleven billion, two hundred twenty-three million, one hundred twenty-two thousand, two hundred three".