1121303221003 has 8 divisors (see below), whose sum is σ = 1281569283072. Its totient is φ = 961057130856.

The previous prime is 1121303220997. The next prime is 1121303221013. The reversal of 1121303221003 is 3001223031211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1121303221003 - 2⁹ = 1121303220491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121303221013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4872475 + ... + 5097412.

It is an arithmetic number, because the mean of its divisors is an integer number (160196160384).

Almost surely, 2^{1121303221003} is an apocalyptic number.

1121303221003 is a deficient number, since it is larger than the sum of its proper divisors (160266062069).

1121303221003 is an equidigital number, since it uses as much as digits as its factorization.

1121303221003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9985961.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1121303221003 its reverse (3001223031211), we get a palindrome (4122526252214).

The spelling of 1121303221003 in words is "one trillion, one hundred twenty-one billion, three hundred three million, two hundred twenty-one thousand, three".