1121312333333 has 2 divisors, whose sum is σ = 1121312333334. Its totient is φ = 1121312333332.

The previous prime is 1121312333329. The next prime is 1121312333369. The reversal of 1121312333333 is 3333332131211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 941245351684 + 180066981649 = 970178^2 + 424343^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121312333333 - 2² = 1121312333329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121312333296 and 1121312333305.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121332333333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560656166666 + 560656166667.

It is an arithmetic number, because the mean of its divisors is an integer number (560656166667).

Almost surely, 2^{1121312333333} is an apocalyptic number.

It is an amenable number.

1121312333333 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121312333333 is an equidigital number, since it uses as much as digits as its factorization.

1121312333333 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8748, while the sum is 29.

Adding to 1121312333333 its reverse (3333332131211), we get a palindrome (4454644464544).

The spelling of 1121312333333 in words is "one trillion, one hundred twenty-one billion, three hundred twelve million, three hundred thirty-three thousand, three hundred thirty-three".