220111001003 has 2 divisors, whose sum is σ = 220111001004. Its totient is φ = 220111001002.

The previous prime is 220111000999. The next prime is 220111001017. The reversal of 220111001003 is 300100111022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 220111001003 - 2² = 220111000999 is a prime.

It is not a weakly prime, because it can be changed into another prime (220111001053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110055500501 + 110055500502.

It is an arithmetic number, because the mean of its divisors is an integer number (110055500502).

Almost surely, 2^220111001003 is an apocalyptic number.

220111001003 is a deficient number, since it is larger than the sum of its proper divisors (1).

220111001003 is an equidigital number, since it uses as much as digits as its factorization.

220111001003 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 220111001003 its reverse (300100111022), we get a palindrome (520211112025).

The spelling of 220111001003 in words is "two hundred twenty billion, one hundred eleven million, one thousand, three".