1121131229999 has 8 divisors (see below), whose sum is σ = 1223148547920. Its totient is φ = 1019129961600.

The previous prime is 1121131229989. The next prime is 1121131230049. The reversal of 1121131229999 is 9999221311211.

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 1121131229999 - 2⁴⁰ = 21619602223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121131229989) 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, 3866084 + ... + 4145945.

It is an arithmetic number, because the mean of its divisors is an integer number (152893568490).

Almost surely, 2^{1121131229999} is an apocalyptic number.

1121131229999 is a deficient number, since it is larger than the sum of its proper divisors (102017317921).

1121131229999 is a wasteful number, since it uses less digits than its factorization.

1121131229999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8024761.

The product of its digits is 157464, while the sum is 50.

The spelling of 1121131229999 in words is "one trillion, one hundred twenty-one billion, one hundred thirty-one million, two hundred twenty-nine thousand, nine hundred ninety-nine".