1222220203003 has 4 divisors (see below), whose sum is σ = 1294115509080. Its totient is φ = 1150324896928.

The previous prime is 1222220202977. The next prime is 1222220203007. The reversal of 1222220203003 is 3003020222221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1222220203003 - 2⁹ = 1222220202491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222220203007) 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 in 3 ways as a sum of consecutive naturals, for example, 35947653013 + ... + 35947653046.

It is an arithmetic number, because the mean of its divisors is an integer number (323528877270).

Almost surely, 2^{1222220203003} is an apocalyptic number.

1222220203003 is a deficient number, since it is larger than the sum of its proper divisors (71895306077).

1222220203003 is an equidigital number, since it uses as much as digits as its factorization.

1222220203003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71895306076.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 1222220203003 its reverse (3003020222221), we get a palindrome (4225240425224).

The spelling of 1222220203003 in words is "one trillion, two hundred twenty-two billion, two hundred twenty million, two hundred three thousand, three".