1121103223 has 8 divisors (see below), whose sum is σ = 1143287136. Its totient is φ = 1098957600.

The previous prime is 1121103211. The next prime is 1121103229. The reversal of 1121103223 is 3223011211.

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 1121103223 - 2⁹ = 1121102711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121103197 and 1121103206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121103229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53638 + ... + 71548.

It is an arithmetic number, because the mean of its divisors is an integer number (142910892).

Almost surely, 2^1121103223 is an apocalyptic number.

1121103223 is a deficient number, since it is larger than the sum of its proper divisors (22183913).

1121103223 is a wasteful number, since it uses less digits than its factorization.

1121103223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19145.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1121103223 is about 33482.8795506002. The cubic root of 1121103223 is about 1038.8396893618.

Adding to 1121103223 its reverse (3223011211), we get a palindrome (4344114434).

The spelling of 1121103223 in words is "one billion, one hundred twenty-one million, one hundred three thousand, two hundred twenty-three".