1113021131237 has 2 divisors, whose sum is σ = 1113021131238. Its totient is φ = 1113021131236.

The previous prime is 1113021131197. The next prime is 1113021131273. The reversal of 1113021131237 is 7321311203111.

Together with next prime (1113021131273) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1053484643236 + 59536488001 = 1026394^2 + 244001^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1113021131237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113021151237) 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, 556510565618 + 556510565619.

It is an arithmetic number, because the mean of its divisors is an integer number (556510565619).

Almost surely, 2^{1113021131237} is an apocalyptic number.

It is an amenable number.

1113021131237 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113021131237 is an equidigital number, since it uses as much as digits as its factorization.

1113021131237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

Adding to 1113021131237 its reverse (7321311203111), we get a palindrome (8434332334348).

The spelling of 1113021131237 in words is "one trillion, one hundred thirteen billion, twenty-one million, one hundred thirty-one thousand, two hundred thirty-seven".