122110200111109 has 4 divisors (see below), whose sum is σ = 139554514412704. Its totient is φ = 104665885809516.

The previous prime is 122110200111089. The next prime is 122110200111283. The reversal of 122110200111109 is 901111002011221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 122110200111109 - 2²¹ = 122110198013957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 122110200111109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122110200151109) 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, 8722157150787 + ... + 8722157150800.

It is an arithmetic number, because the mean of its divisors is an integer number (34888628603176).

Almost surely, 2^{122110200111109} is an apocalyptic number.

It is an amenable number.

122110200111109 is a deficient number, since it is larger than the sum of its proper divisors (17444314301595).

122110200111109 is an equidigital number, since it uses as much as digits as its factorization.

122110200111109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17444314301594.

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

The spelling of 122110200111109 in words is "one hundred twenty-two trillion, one hundred ten billion, two hundred million, one hundred eleven thousand, one hundred nine".