1121044430103 has 32 divisors (see below), whose sum is σ = 1626025992192. Its totient is φ = 682881936000.

The previous prime is 1121044430101. The next prime is 1121044430167. The reversal of 1121044430103 is 3010344401211.

It is not a de Polignac number, because 1121044430103 - 2¹ = 1121044430101 is a prime.

It is a super-2 number, since 2×1121044430103² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121044430101) 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 31 ways as a sum of consecutive naturals, for example, 17879338 + ... + 17941928.

It is an arithmetic number, because the mean of its divisors is an integer number (50813312256).

Almost surely, 2^{1121044430103} is an apocalyptic number.

1121044430103 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1121044430103 is a deficient number, since it is larger than the sum of its proper divisors (504981562089).

1121044430103 is a wasteful number, since it uses less digits than its factorization.

1121044430103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67255.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 1121044430103 its reverse (3010344401211), we get a palindrome (4131388831314).

The spelling of 1121044430103 in words is "one trillion, one hundred twenty-one billion, forty-four million, four hundred thirty thousand, one hundred three".