11121210203237 has 2 divisors, whose sum is σ = 11121210203238. Its totient is φ = 11121210203236.

The previous prime is 11121210203231. The next prime is 11121210203267. The reversal of 11121210203237 is 73230201212111.

11121210203237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8886158293156 + 2235051910081 = 2980966^2 + 1495009^2 .

It is a cyclic number.

It is not a de Polignac number, because 11121210203237 - 2⁴⁰ = 10021698575461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11121210203231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560605101618 + 5560605101619.

It is an arithmetic number, because the mean of its divisors is an integer number (5560605101619).

Almost surely, 2^{11121210203237} is an apocalyptic number.

It is an amenable number.

11121210203237 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121210203237 is an equidigital number, since it uses as much as digits as its factorization.

11121210203237 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

Adding to 11121210203237 its reverse (73230201212111), we get a palindrome (84351411415348).

The spelling of 11121210203237 in words is "eleven trillion, one hundred twenty-one billion, two hundred ten million, two hundred three thousand, two hundred thirty-seven".