1121112002003 has 8 divisors (see below), whose sum is σ = 1283880376320. Its totient is φ = 958996006920.

The previous prime is 1121112001967. The next prime is 1121112002009. The reversal of 1121112002003 is 3002002111211.

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

It is not a de Polignac number, because 1121112002003 - 2¹⁸ = 1121111739859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121112002009) 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, 163091123 + ... + 163097996.

It is an arithmetic number, because the mean of its divisors is an integer number (160485047040).

Almost surely, 2^{1121112002003} is an apocalyptic number.

1121112002003 is a deficient number, since it is larger than the sum of its proper divisors (162768374317).

1121112002003 is an equidigital number, since it uses as much as digits as its factorization.

1121112002003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326189617.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1121112002003 its reverse (3002002111211), we get a palindrome (4123114113214).

The spelling of 1121112002003 in words is "one trillion, one hundred twenty-one billion, one hundred twelve million, two thousand, three".