20111112100011 has 8 divisors (see below), whose sum is σ = 26842953404880. Its totient is φ = 13393339430912.

The previous prime is 20111112100007. The next prime is 20111112100067. The reversal of 20111112100011 is 11000121111102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20111112100011 - 2² = 20111112100007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20111112100011.

It is not an unprimeable number, because it can be changed into a prime (20111112100511) 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 7 ways as a sum of consecutive naturals, for example, 3517155606 + ... + 3517161323.

It is an arithmetic number, because the mean of its divisors is an integer number (3355369175610).

Almost surely, 2^{20111112100011} is an apocalyptic number.

20111112100011 is a deficient number, since it is larger than the sum of its proper divisors (6731841304869).

20111112100011 is an equidigital number, since it uses as much as digits as its factorization.

20111112100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7034317885.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 20111112100011 its reverse (11000121111102), we get a palindrome (31111233211113).

The spelling of 20111112100011 in words is "twenty trillion, one hundred eleven billion, one hundred twelve million, one hundred thousand, eleven".