1121103303 has 32 divisors (see below), whose sum is σ = 1616643840. Its totient is φ = 688746240.

The previous prime is 1121103281. The next prime is 1121103311. The reversal of 1121103303 is 3033011211.

1121103303 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1121103303 - 2⁵ = 1121103271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121103343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1277901 + ... + 1278777.

It is an arithmetic number, because the mean of its divisors is an integer number (50520120).

Almost surely, 2^1121103303 is an apocalyptic number.

1121103303 is a deficient number, since it is larger than the sum of its proper divisors (495540537).

1121103303 is a wasteful number, since it uses less digits than its factorization.

1121103303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1487.

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 1121103303 is about 33482.8807452405. The cubic root of 1121103303 is about 1038.8397140718.

Adding to 1121103303 its reverse (3033011211), we get a palindrome (4154114514).

The spelling of 1121103303 in words is "one billion, one hundred twenty-one million, one hundred three thousand, three hundred three".