1121112303303 has 4 divisors (see below), whose sum is σ = 1494816404408. Its totient is φ = 747408202200.

The previous prime is 1121112303263. The next prime is 1121112303313. The reversal of 1121112303303 is 3033032111211.

It is a happy number.

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

It is not a de Polignac number, because 1121112303303 - 2¹⁶ = 1121112237767 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121112303303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121112303313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186852050548 + ... + 186852050553.

It is an arithmetic number, because the mean of its divisors is an integer number (373704101102).

Almost surely, 2^{1121112303303} is an apocalyptic number.

1121112303303 is a deficient number, since it is larger than the sum of its proper divisors (373704101105).

1121112303303 is an equidigital number, since it uses as much as digits as its factorization.

1121112303303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373704101104.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1121112303303 its reverse (3033032111211), we get a palindrome (4154144414514).

The spelling of 1121112303303 in words is "one trillion, one hundred twenty-one billion, one hundred twelve million, three hundred three thousand, three hundred three".