11000221237 has 2 divisors, whose sum is σ = 11000221238. Its totient is φ = 11000221236.

The previous prime is 11000221231. The next prime is 11000221241. The reversal of 11000221237 is 73212200011.

11000221237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9791894116 + 1208327121 = 98954^2 + 34761^2 .

It is a cyclic number.

It is not a de Polignac number, because 11000221237 - 2¹⁵ = 11000188469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11000221231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500110618 + 5500110619.

It is an arithmetic number, because the mean of its divisors is an integer number (5500110619).

Almost surely, 2^11000221237 is an apocalyptic number.

It is an amenable number.

11000221237 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000221237 is an equidigital number, since it uses as much as digits as its factorization.

11000221237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 19.

Adding to 11000221237 its reverse (73212200011), we get a palindrome (84212421248).

The spelling of 11000221237 in words is "eleven billion, two hundred twenty-one thousand, two hundred thirty-seven".