1121312330273 has 2 divisors, whose sum is σ = 1121312330274. Its totient is φ = 1121312330272.

The previous prime is 1121312330231. The next prime is 1121312330293. The reversal of 1121312330273 is 3720332131211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1111133134609 + 10179195664 = 1054103^2 + 100892^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121312330273 - 2¹² = 1121312326177 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121312330293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560656165136 + 560656165137.

It is an arithmetic number, because the mean of its divisors is an integer number (560656165137).

Almost surely, 2^{1121312330273} is an apocalyptic number.

It is an amenable number.

1121312330273 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121312330273 is an equidigital number, since it uses as much as digits as its factorization.

1121312330273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 29.

Adding to 1121312330273 its reverse (3720332131211), we get a palindrome (4841644461484).

The spelling of 1121312330273 in words is "one trillion, one hundred twenty-one billion, three hundred twelve million, three hundred thirty thousand, two hundred seventy-three".