110101220109 has 8 divisors (see below), whose sum is σ = 163112918720. Its totient is φ = 73400813388.

The previous prime is 110101220101. The next prime is 110101220111. The reversal of 110101220109 is 901022101011.

It is a happy number.

It is not a de Polignac number, because 110101220109 - 2³ = 110101220101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 110101220091 and 110101220100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (110101220101) 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 in 7 ways as a sum of consecutive naturals, for example, 2038911457 + ... + 2038911510.

It is an arithmetic number, because the mean of its divisors is an integer number (20389114840).

Almost surely, 2^110101220109 is an apocalyptic number.

It is an amenable number.

110101220109 is a deficient number, since it is larger than the sum of its proper divisors (53011698611).

110101220109 is an equidigital number, since it uses as much as digits as its factorization.

110101220109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077822976 (or 4077822970 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 110101220109 in words is "one hundred ten billion, one hundred one million, two hundred twenty thousand, one hundred nine".