211122122222003 has 2 divisors, whose sum is σ = 211122122222004. Its totient is φ = 211122122222002.

The previous prime is 211122122221979. The next prime is 211122122222021. The reversal of 211122122222003 is 300222221221112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211122122222003 - 2¹⁰ = 211122122220979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 211122122222003.

It is not a weakly prime, because it can be changed into another prime (211122122222903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105561061111001 + 105561061111002.

It is an arithmetic number, because the mean of its divisors is an integer number (105561061111002).

Almost surely, 2^{211122122222003} is an apocalyptic number.

211122122222003 is a deficient number, since it is larger than the sum of its proper divisors (1).

211122122222003 is an equidigital number, since it uses as much as digits as its factorization.

211122122222003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 211122122222003 its reverse (300222221221112), we get a palindrome (511344343443115).

The spelling of 211122122222003 in words is "two hundred eleven trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred twenty-two thousand, three".