2112021120109 has 8 divisors (see below), whose sum is σ = 2248750719360. Its totient is φ = 1976679638976.

The previous prime is 2112021120103. The next prime is 2112021120173. The reversal of 2112021120109 is 9010211202112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2112021120109 - 2³ = 2112021120101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2112021120109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112021120101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347026389 + ... + 347032474.

It is an arithmetic number, because the mean of its divisors is an integer number (281093839920).

Almost surely, 2^{2112021120109} is an apocalyptic number.

It is an amenable number.

2112021120109 is a deficient number, since it is larger than the sum of its proper divisors (136729599251).

2112021120109 is a wasteful number, since it uses less digits than its factorization.

2112021120109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694059059.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 2112021120109 in words is "two trillion, one hundred twelve billion, twenty-one million, one hundred twenty thousand, one hundred nine".