20110814111 has 4 divisors (see below), whose sum is σ = 20122865400. Its totient is φ = 20098762824.

The previous prime is 20110814107. The next prime is 20110814149. The reversal of 20110814111 is 11141801102.

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

It is a cyclic number.

It is not a de Polignac number, because 20110814111 - 2² = 20110814107 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 (20110814611) 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, 6023141 + ... + 6026478.

It is an arithmetic number, because the mean of its divisors is an integer number (5030716350).

Almost surely, 2^20110814111 is an apocalyptic number.

20110814111 is a deficient number, since it is larger than the sum of its proper divisors (12051289).

20110814111 is a wasteful number, since it uses less digits than its factorization.

20110814111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12051288.

The product of its (nonzero) digits is 64, while the sum is 20.

The spelling of 20110814111 in words is "twenty billion, one hundred ten million, eight hundred fourteen thousand, one hundred eleven".