1121003011323 has 32 divisors (see below), whose sum is σ = 1788564993600. Its totient is φ = 689820945408.

The previous prime is 1121003011313. The next prime is 1121003011361. The reversal of 1121003011323 is 3231103001211.

It is not a de Polignac number, because 1121003011323 - 2¹² = 1121003007227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121003011296 and 1121003011305.

It is not an unprimeable number, because it can be changed into a prime (1121003011313) 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, 12456733 + ... + 12546401.

It is an arithmetic number, because the mean of its divisors is an integer number (55892656050).

Almost surely, 2^{1121003011323} is an apocalyptic number.

1121003011323 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1121003011323 is a deficient number, since it is larger than the sum of its proper divisors (667561982277).

1121003011323 is a wasteful number, since it uses less digits than its factorization.

1121003011323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125308 (or 125302 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1121003011323 its reverse (3231103001211), we get a palindrome (4352106012534).

The spelling of 1121003011323 in words is "one trillion, one hundred twenty-one billion, three million, eleven thousand, three hundred twenty-three".