122110002109 has 4 divisors (see below), whose sum is σ = 122335714300. Its totient is φ = 121884289920.

The previous prime is 122110002107. The next prime is 122110002163. The reversal of 122110002109 is 901200011221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 901200011221 = 2861 ⋅314994761.

It can be written as a sum of positive squares in 2 ways, for example, as 93179394009 + 28930608100 = 305253^2 + 170090^2 .

It is a cyclic number.

It is not a de Polignac number, because 122110002109 - 2¹ = 122110002107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122110002107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112855284 + ... + 112856365.

It is an arithmetic number, because the mean of its divisors is an integer number (30583928575).

Almost surely, 2^122110002109 is an apocalyptic number.

It is an amenable number.

122110002109 is a deficient number, since it is larger than the sum of its proper divisors (225712191).

122110002109 is an equidigital number, since it uses as much as digits as its factorization.

122110002109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225712190.

The product of its (nonzero) digits is 72, while the sum is 19.

The spelling of 122110002109 in words is "one hundred twenty-two billion, one hundred ten million, two thousand, one hundred nine".