20000111000001 has 32 divisors (see below), whose sum is σ = 29528190475776. Its totient is φ = 11939181936000.

The previous prime is 20000110999997. The next prime is 20000111000027. The reversal of 20000111000001 is 10000011100002.

It is not a de Polignac number, because 20000111000001 - 2² = 20000110999997 is a prime.

It is a super-2 number, since 2×20000111000001² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20000111004001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22133581 + ... + 23019461.

It is an arithmetic number, because the mean of its divisors is an integer number (922755952368).

Almost surely, 2^{20000111000001} is an apocalyptic number.

It is an amenable number.

20000111000001 is a deficient number, since it is larger than the sum of its proper divisors (9528079475775).

20000111000001 is a wasteful number, since it uses less digits than its factorization.

20000111000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896173.

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 20000111000001 its reverse (10000011100002), we get a palindrome (30000122100003).

The spelling of 20000111000001 in words is "twenty trillion, one hundred eleven million, one", and thus it is an aban number.