1121012111353 has 2 divisors, whose sum is σ = 1121012111354. Its totient is φ = 1121012111352.

The previous prime is 1121012111239. The next prime is 1121012111381. The reversal of 1121012111353 is 3531112101211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 997735283689 + 123276827664 = 998867^2 + 351108^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121012111353 is a prime.

It is a super-2 number, since 2×1121012111353² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1121012171353) 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, 560506055676 + 560506055677.

It is an arithmetic number, because the mean of its divisors is an integer number (560506055677).

Almost surely, 2^{1121012111353} is an apocalyptic number.

It is an amenable number.

1121012111353 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121012111353 is an equidigital number, since it uses as much as digits as its factorization.

1121012111353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 22.

Adding to 1121012111353 its reverse (3531112101211), we get a palindrome (4652124212564).

The spelling of 1121012111353 in words is "one trillion, one hundred twenty-one billion, twelve million, one hundred eleven thousand, three hundred fifty-three".