1121312201117 has 2 divisors, whose sum is σ = 1121312201118. Its totient is φ = 1121312201116.

The previous prime is 1121312201089. The next prime is 1121312201147. The reversal of 1121312201117 is 7111022131211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1088556268921 + 32755932196 = 1043339^2 + 180986^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121312201117 - 2²⁴ = 1121295423901 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1121312201092 and 1121312201101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121312201147) 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 as a sum of consecutive naturals, namely, 560656100558 + 560656100559.

It is an arithmetic number, because the mean of its divisors is an integer number (560656100559).

Almost surely, 2^{1121312201117} is an apocalyptic number.

It is an amenable number.

1121312201117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121312201117 is an equidigital number, since it uses as much as digits as its factorization.

1121312201117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 23.

Adding to 1121312201117 its reverse (7111022131211), we get a palindrome (8232334332328).

The spelling of 1121312201117 in words is "one trillion, one hundred twenty-one billion, three hundred twelve million, two hundred one thousand, one hundred seventeen".