11121101237 has 2 divisors, whose sum is σ = 11121101238. Its totient is φ = 11121101236.

The previous prime is 11121101179. The next prime is 11121101239. The reversal of 11121101237 is 73210112111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6595713796 + 4525387441 = 81214^2 + 67271^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121101237 - 2⁸ = 11121100981 is a prime.

Together with 11121101239, 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 (11121101239) 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, 5560550618 + 5560550619.

It is an arithmetic number, because the mean of its divisors is an integer number (5560550619).

Almost surely, 2^11121101237 is an apocalyptic number.

It is an amenable number.

11121101237 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121101237 is an equidigital number, since it uses as much as digits as its factorization.

11121101237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84, while the sum is 20.

Adding to 11121101237 its reverse (73210112111), we get a palindrome (84331213348).

The spelling of 11121101237 in words is "eleven billion, one hundred twenty-one million, one hundred one thousand, two hundred thirty-seven".