110123221309 has 2 divisors, whose sum is σ = 110123221310. Its totient is φ = 110123221308.

The previous prime is 110123221301. The next prime is 110123221363. The reversal of 110123221309 is 903122321011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109745113284 + 378108025 = 331278^2 + 19445^2 .

It is a cyclic number.

It is not a de Polignac number, because 110123221309 - 2³ = 110123221301 is a prime.

It is a super-3 number, since 3×110123221309³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110123221301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55061610654 + 55061610655.

It is an arithmetic number, because the mean of its divisors is an integer number (55061610655).

Almost surely, 2^110123221309 is an apocalyptic number.

It is an amenable number.

110123221309 is a deficient number, since it is larger than the sum of its proper divisors (1).

110123221309 is an equidigital number, since it uses as much as digits as its factorization.

110123221309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 110123221309 in words is "one hundred ten billion, one hundred twenty-three million, two hundred twenty-one thousand, three hundred nine".