11222120122237 has 2 divisors, whose sum is σ = 11222120122238. Its totient is φ = 11222120122236.

The previous prime is 11222120122177. The next prime is 11222120122243. The reversal of 11222120122237 is 73222102122211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10254206523961 + 967913598276 = 3202219^2 + 983826^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11222120122237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11222120122247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5611060061118 + 5611060061119.

It is an arithmetic number, because the mean of its divisors is an integer number (5611060061119).

Almost surely, 2^{11222120122237} is an apocalyptic number.

It is an amenable number.

11222120122237 is a deficient number, since it is larger than the sum of its proper divisors (1).

11222120122237 is an equidigital number, since it uses as much as digits as its factorization.

11222120122237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 28.

Adding to 11222120122237 its reverse (73222102122211), we get a palindrome (84444222244448).

The spelling of 11222120122237 in words is "eleven trillion, two hundred twenty-two billion, one hundred twenty million, one hundred twenty-two thousand, two hundred thirty-seven".