11212112222239 has 2 divisors, whose sum is σ = 11212112222240. Its totient is φ = 11212112222238.

The previous prime is 11212112222209. The next prime is 11212112222291. The reversal of 11212112222239 is 93222221121211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11212112222239 - 2⁷ = 11212112222111 is a prime.

It is a super-2 number, since 2×11212112222239² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11212112222239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11212112222209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5606056111119 + 5606056111120.

It is an arithmetic number, because the mean of its divisors is an integer number (5606056111120).

Almost surely, 2^{11212112222239} is an apocalyptic number.

11212112222239 is a deficient number, since it is larger than the sum of its proper divisors (1).

11212112222239 is an equidigital number, since it uses as much as digits as its factorization.

11212112222239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 31.

The spelling of 11212112222239 in words is "eleven trillion, two hundred twelve billion, one hundred twelve million, two hundred twenty-two thousand, two hundred thirty-nine".