110111212200109 has 2 divisors, whose sum is σ = 110111212200110. Its totient is φ = 110111212200108.

The previous prime is 110111212200103. The next prime is 110111212200149. The reversal of 110111212200109 is 901002212111011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68187594426084 + 41923617774025 = 8257578^2 + 6474845^2 .

It is a cyclic number.

It is not a de Polignac number, because 110111212200109 - 2⁷ = 110111212199981 is a prime.

It is a super-2 number, since 2×110111212200109² (a number of 29 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 110111212200109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110111212200103) 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, 55055606100054 + 55055606100055.

It is an arithmetic number, because the mean of its divisors is an integer number (55055606100055).

Almost surely, 2^{110111212200109} is an apocalyptic number.

It is an amenable number.

110111212200109 is a deficient number, since it is larger than the sum of its proper divisors (1).

110111212200109 is an equidigital number, since it uses as much as digits as its factorization.

110111212200109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 110111212200109 in words is "one hundred ten trillion, one hundred eleven billion, two hundred twelve million, two hundred thousand, one hundred nine".