109202403122 has 6 divisors (see below), whose sum is σ = 163804305693.
Its totient is φ = 54600967892.
The previous prime is 109202403109. The next prime is 109202403131. The reversal of 109202403122 is 221304202901.
It can be written as a sum of positive squares in 2 ways, for example, as 98816551201 + 10385851921 = 314351^2 + 101911^2
It is an ABA number since it can be written as A⋅BA, here for A=2, B=233669.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 109202403091 and 109202403100.
It is an unprimeable number.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 350504 + ... + 584172.
Almost surely, 2109202403122 is an apocalyptic number.
109202403122 is a deficient number, since it is larger than the sum of its proper divisors (54601902571).
109202403122 is an frugal number, since it uses more digits than its factorization.
109202403122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 467340 (or 233671 counting only the distinct ones).
The product of its (nonzero) digits is 1728, while the sum is 26.
The spelling of 109202403122 in words is "one hundred nine billion, two hundred two million, four hundred three thousand, one hundred twenty-two".