2122010110109 has 4 divisors (see below), whose sum is σ = 2173766454300. Its totient is φ = 2070253765920.

The previous prime is 2122010110081. The next prime is 2122010110123. The reversal of 2122010110109 is 9010110102212.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1067274948100 + 1054735162009 = 1033090^2 + 1027003^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122010110109 - 2²⁰ = 2122009061533 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 (2122010110189) 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, 25878172034 + ... + 25878172115.

It is an arithmetic number, because the mean of its divisors is an integer number (543441613575).

Almost surely, 2^{2122010110109} is an apocalyptic number.

It is an amenable number.

2122010110109 is a deficient number, since it is larger than the sum of its proper divisors (51756344191).

2122010110109 is an equidigital number, since it uses as much as digits as its factorization.

2122010110109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51756344190.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 2122010110109 in words is "two trillion, one hundred twenty-two billion, ten million, one hundred ten thousand, one hundred nine".