110110112120989 has 2 divisors, whose sum is σ = 110110112120990. Its totient is φ = 110110112120988.

The previous prime is 110110112120929. The next prime is 110110112121017. The reversal of 110110112120989 is 989021211011011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108396521163225 + 1713590957764 = 10411365^2 + 1309042^2 .

It is a cyclic number.

It is not a de Polignac number, because 110110112120989 - 2⁷ = 110110112120861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110110112120929) 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, 55055056060494 + 55055056060495.

It is an arithmetic number, because the mean of its divisors is an integer number (55055056060495).

Almost surely, 2^{110110112120989} is an apocalyptic number.

It is an amenable number.

110110112120989 is a deficient number, since it is larger than the sum of its proper divisors (1).

110110112120989 is an equidigital number, since it uses as much as digits as its factorization.

110110112120989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 37.

The spelling of 110110112120989 in words is "one hundred ten trillion, one hundred ten billion, one hundred twelve million, one hundred twenty thousand, nine hundred eighty-nine".