1121303310003 has 12 divisors (see below), whose sum is σ = 1619680099960. Its totient is φ = 747526418496.

The previous prime is 1121303309989. The next prime is 1121303310013. The reversal of 1121303310003 is 3000133031211.

It is a happy number.

It is not a de Polignac number, because 1121303310003 - 2³² = 1117008342707 is a prime.

It is a super-2 number, since 2×1121303310003² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121303310013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65643 + ... + 1498971.

Almost surely, 2^{1121303310003} is an apocalyptic number.

1121303310003 is a deficient number, since it is larger than the sum of its proper divisors (498376789957).

1121303310003 is a wasteful number, since it uses less digits than its factorization.

1121303310003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520258 (or 1520255 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 1121303310003 its reverse (3000133031211), we get a palindrome (4121436341214).

The spelling of 1121303310003 in words is "one trillion, one hundred twenty-one billion, three hundred three million, three hundred ten thousand, three".