1000020211109 has 16 divisors (see below), whose sum is σ = 1017315849600. Its totient is φ = 982877649600.

The previous prime is 1000020211087. The next prime is 1000020211121. The reversal of 1000020211109 is 9011120200001.

It is a cyclic number.

It is not a de Polignac number, because 1000020211109 - 2¹² = 1000020207013 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 (1000020211139) 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 15 ways as a sum of consecutive naturals, for example, 25910144 + ... + 25948710.

It is an arithmetic number, because the mean of its divisors is an integer number (63582240600).

Almost surely, 2^{1000020211109} is an apocalyptic number.

It is an amenable number.

1000020211109 is a deficient number, since it is larger than the sum of its proper divisors (17295638491).

1000020211109 is a wasteful number, since it uses less digits than its factorization.

1000020211109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40540.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 1000020211109 in words is "one trillion, twenty million, two hundred eleven thousand, one hundred nine".