1121112111253 has 2 divisors, whose sum is σ = 1121112111254. Its totient is φ = 1121112111252.

The previous prime is 1121112111179. The next prime is 1121112111263. The reversal of 1121112111253 is 3521112111211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1067217095844 + 53895015409 = 1033062^2 + 232153^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121112111253 - 2²⁵ = 1121078556821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121112111263) 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, 560556055626 + 560556055627.

It is an arithmetic number, because the mean of its divisors is an integer number (560556055627).

Almost surely, 2^{1121112111253} is an apocalyptic number.

It is an amenable number.

1121112111253 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121112111253 is an equidigital number, since it uses as much as digits as its factorization.

1121112111253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120, while the sum is 22.

Adding to 1121112111253 its reverse (3521112111211), we get a palindrome (4642224222464).

The spelling of 1121112111253 in words is "one trillion, one hundred twenty-one billion, one hundred twelve million, one hundred eleven thousand, two hundred fifty-three".