1112216837 has 2 divisors, whose sum is σ = 1112216838. Its totient is φ = 1112216836.

The previous prime is 1112216783. The next prime is 1112216839. The reversal of 1112216837 is 7386122111.

Together with previous prime (1112216783) 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., 1111955716 + 261121 = 33346^2 + 511^2 .

It is a cyclic number.

It is not a de Polignac number, because 1112216837 - 2¹⁰ = 1112215813 is a prime.

Together with 1112216839, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1112216839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556108418 + 556108419.

It is an arithmetic number, because the mean of its divisors is an integer number (556108419).

Almost surely, 2^1112216837 is an apocalyptic number.

It is an amenable number.

1112216837 is a deficient number, since it is larger than the sum of its proper divisors (1).

1112216837 is an equidigital number, since it uses as much as digits as its factorization.

1112216837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 32.

The square root of 1112216837 is about 33349.9150973432. The cubic root of 1112216837 is about 1036.0876294869.

Adding to 1112216837 its reverse (7386122111), we get a palindrome (8498338948).

The spelling of 1112216837 in words is "one billion, one hundred twelve million, two hundred sixteen thousand, eight hundred thirty-seven".