20090909109111 has 8 divisors (see below), whose sum is σ = 26812165198080. Its totient is φ = 13381796213112.

The previous prime is 20090909109109. The next prime is 20090909109127. The reversal of 20090909109111 is 11190190909002.

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

It is not a de Polignac number, because 20090909109111 - 2¹ = 20090909109109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20090909109191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3035794381 + ... + 3035800998.

It is an arithmetic number, because the mean of its divisors is an integer number (3351520649760).

Almost surely, 2^{20090909109111} is an apocalyptic number.

20090909109111 is a deficient number, since it is larger than the sum of its proper divisors (6721256088969).

20090909109111 is a wasteful number, since it uses less digits than its factorization.

20090909109111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6071596485.

The product of its (nonzero) digits is 13122, while the sum is 42.

The spelling of 20090909109111 in words is "twenty trillion, ninety billion, nine hundred nine million, one hundred nine thousand, one hundred eleven".