211223102003 has 2 divisors, whose sum is σ = 211223102004. Its totient is φ = 211223102002.

The previous prime is 211223101927. The next prime is 211223102017. The reversal of 211223102003 is 300201322112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211223102003 - 2¹⁶ = 211223036467 is a prime.

It is a super-2 number, since 2×211223102003² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (211223102063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105611551001 + 105611551002.

It is an arithmetic number, because the mean of its divisors is an integer number (105611551002).

Almost surely, 2^211223102003 is an apocalyptic number.

211223102003 is a deficient number, since it is larger than the sum of its proper divisors (1).

211223102003 is an equidigital number, since it uses as much as digits as its factorization.

211223102003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 211223102003 its reverse (300201322112), we get a palindrome (511424424115).

The spelling of 211223102003 in words is "two hundred eleven billion, two hundred twenty-three million, one hundred two thousand, three".