20020011000111 has 10 divisors (see below), whose sum is σ = 29906436185472. Its totient is φ = 13346674000020.

The previous prime is 20020011000109. The next prime is 20020011000137. The reversal of 20020011000111 is 11100011002002.

It is a happy number.

It is not a de Polignac number, because 20020011000111 - 2¹ = 20020011000109 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 = 20020011000093 and 20020011000102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020011020111) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 123580314735 + ... + 123580314896.

Almost surely, 2^{20020011000111} is an apocalyptic number.

20020011000111 is a deficient number, since it is larger than the sum of its proper divisors (9886425185361).

20020011000111 is an equidigital number, since it uses as much as digits as its factorization.

20020011000111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247160629643 (or 247160629634 counting only the distinct ones).

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

Adding to 20020011000111 its reverse (11100011002002), we get a palindrome (31120022002113).

The spelling of 20020011000111 in words is "twenty trillion, twenty billion, eleven million, one hundred eleven", and thus it is an aban number.