2011102111109 has 16 divisors (see below), whose sum is σ = 2475240996480. Its totient is φ = 1591176985920.

The previous prime is 2011102111097. The next prime is 2011102111141. The reversal of 2011102111109 is 9011112011102.

It is a cyclic number.

It is not a de Polignac number, because 2011102111109 - 2³² = 2006807143813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011102110109) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7703894 + ... + 7960664.

It is an arithmetic number, because the mean of its divisors is an integer number (154702562280).

Almost surely, 2^{2011102111109} is an apocalyptic number.

It is an amenable number.

2011102111109 is a deficient number, since it is larger than the sum of its proper divisors (464138885371).

2011102111109 is a wasteful number, since it uses less digits than its factorization.

2011102111109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342860.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 2011102111109 in words is "two trillion, eleven billion, one hundred two million, one hundred eleven thousand, one hundred nine".