1113122311237 has 2 divisors, whose sum is σ = 1113122311238. Its totient is φ = 1113122311236.

The previous prime is 1113122311207. The next prime is 1113122311243. The reversal of 1113122311237 is 7321132213111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 943140091716 + 169982219521 = 971154^2 + 412289^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113122311237 - 2²³ = 1113113922629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113122311207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556561155618 + 556561155619.

It is an arithmetic number, because the mean of its divisors is an integer number (556561155619).

Almost surely, 2^{1113122311237} is an apocalyptic number.

It is an amenable number.

1113122311237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113122311237 is an equidigital number, since it uses as much as digits as its factorization.

1113122311237 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 28.

Adding to 1113122311237 its reverse (7321132213111), we get a palindrome (8434254524348).

The spelling of 1113122311237 in words is "one trillion, one hundred thirteen billion, one hundred twenty-two million, three hundred eleven thousand, two hundred thirty-seven".