11123101237 has 2 divisors, whose sum is σ = 11123101238. Its totient is φ = 11123101236.

The previous prime is 11123101183. The next prime is 11123101247. The reversal of 11123101237 is 73210132111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11025210001 + 97891236 = 105001^2 + 9894^2 .

It is a cyclic number.

It is not a de Polignac number, because 11123101237 - 2¹¹ = 11123099189 is a prime.

It is a super-2 number, since 2×11123101237² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11123101247) 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, 5561550618 + 5561550619.

It is an arithmetic number, because the mean of its divisors is an integer number (5561550619).

Almost surely, 2^11123101237 is an apocalyptic number.

It is an amenable number.

11123101237 is a deficient number, since it is larger than the sum of its proper divisors (1).

11123101237 is an equidigital number, since it uses as much as digits as its factorization.

11123101237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 252, while the sum is 22.

Adding to 11123101237 its reverse (73210132111), we get a palindrome (84333233348).

The spelling of 11123101237 in words is "eleven billion, one hundred twenty-three million, one hundred one thousand, two hundred thirty-seven".