20110020000111 has 24 divisors (see below), whose sum is σ = 31906057672320. Its totient is φ = 12148845032016.

The previous prime is 20110020000107. The next prime is 20110020000113. The reversal of 20110020000111 is 11100002001102.

It is a happy number.

It is not a de Polignac number, because 20110020000111 - 2² = 20110020000107 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 = 20110020000093 and 20110020000102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110020000113) 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 23 ways as a sum of consecutive naturals, for example, 2556571201 + ... + 2556579066.

It is an arithmetic number, because the mean of its divisors is an integer number (1329419069680).

Almost surely, 2^{20110020000111} is an apocalyptic number.

20110020000111 is a deficient number, since it is larger than the sum of its proper divisors (11796037672209).

20110020000111 is a wasteful number, since it uses less digits than its factorization.

20110020000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5113150315 (or 5113150312 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 20110020000111 its reverse (11100002001102), we get a palindrome (31210022001213).

The spelling of 20110020000111 in words is "twenty trillion, one hundred ten billion, twenty million, one hundred eleven", and thus it is an aban number.