1121311031333 has 4 divisors (see below), whose sum is σ = 1121313338688. Its totient is φ = 1121308723980.

The previous prime is 1121311031329. The next prime is 1121311031339. The reversal of 1121311031333 is 3331301131211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1121311031333 - 2² = 1121311031329 is a prime.

It is a super-2 number, since 2×1121311031333² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1121311031299 and 1121311031308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121311031339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109991 + ... + 1501572.

It is an arithmetic number, because the mean of its divisors is an integer number (280328334672).

Almost surely, 2^{1121311031333} is an apocalyptic number.

It is an amenable number.

1121311031333 is a deficient number, since it is larger than the sum of its proper divisors (2307355).

1121311031333 is an equidigital number, since it uses as much as digits as its factorization.

1121311031333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2307354.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 1121311031333 its reverse (3331301131211), we get a palindrome (4452612162544).

The spelling of 1121311031333 in words is "one trillion, one hundred twenty-one billion, three hundred eleven million, thirty-one thousand, three hundred thirty-three".