20000111201106 has 48 divisors (see below), whose sum is σ = 42732619920576. Its totient is φ = 6228548201568.

The previous prime is 20000111201069. The next prime is 20000111201131. The reversal of 20000111201106 is 60110211100002.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

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, 38935845 + ... + 39446168.

It is an arithmetic number, because the mean of its divisors is an integer number (890262915012).

Almost surely, 2^{20000111201106} is an apocalyptic number.

20000111201106 is an abundant number, since it is smaller than the sum of its proper divisors (22732508719470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20000111201106 is a wasteful number, since it uses less digits than its factorization.

20000111201106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78382127 (or 78382084 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 20000111201106 its reverse (60110211100002), we get a palindrome (80110322301108).

The spelling of 20000111201106 in words is "twenty trillion, one hundred eleven million, two hundred one thousand, one hundred six".