111221112000239 has 2 divisors, whose sum is σ = 111221112000240. Its totient is φ = 111221112000238.

The previous prime is 111221112000221. The next prime is 111221112000277. The reversal of 111221112000239 is 932000211122111.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111221112000239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111221112000839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55610556000119 + 55610556000120.

It is an arithmetic number, because the mean of its divisors is an integer number (55610556000120).

Almost surely, 2^{111221112000239} is an apocalyptic number.

111221112000239 is a deficient number, since it is larger than the sum of its proper divisors (1).

111221112000239 is an equidigital number, since it uses as much as digits as its factorization.

111221112000239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 26.

The spelling of 111221112000239 in words is "one hundred eleven trillion, two hundred twenty-one billion, one hundred twelve million, two hundred thirty-nine", and thus it is an aban number.