20110111000011 has 24 divisors (see below), whose sum is σ = 30771889531344. Its totient is φ = 12611852789760.

The previous prime is 20110110999971. The next prime is 20110111000073. The reversal of 20110111000011 is 11000011101102.

It is not a de Polignac number, because 20110111000011 - 2⁷ = 20110110999883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 20110110999957 and 20110111000002.

It is not an unprimeable number, because it can be changed into a prime (20110111000711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32274105 + ... + 32891306.

It is an arithmetic number, because the mean of its divisors is an integer number (1282162063806).

Almost surely, 2^{20110111000011} is an apocalyptic number.

20110111000011 is a deficient number, since it is larger than the sum of its proper divisors (10661778531333).

20110111000011 is a wasteful number, since it uses less digits than its factorization.

20110111000011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65167451 (or 65167448 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 20110111000011 its reverse (11000011101102), we get a palindrome (31110122101113).

The spelling of 20110111000011 in words is "twenty trillion, one hundred ten billion, one hundred eleven million, eleven", and thus it is an aban number.