20100111110012 has 24 divisors (see below), whose sum is σ = 35266802587296. Its totient is φ = 10023886116288.

The previous prime is 20100111109979. The next prime is 20100111110021. The reversal of 20100111110012 is 21001111100102.

It is a junction number, because it is equal to n+sod(n) for n = 20100111109975 and 20100111110002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18304958 + ... + 19371930.

It is an arithmetic number, because the mean of its divisors is an integer number (1469450107804).

Almost surely, 2^{20100111110012} is an apocalyptic number.

It is an amenable number.

20100111110012 is a deficient number, since it is larger than the sum of its proper divisors (15166691477284).

20100111110012 is a wasteful number, since it uses less digits than its factorization.

20100111110012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079237 (or 1079235 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 20100111110012 its reverse (21001111100102), we get a palindrome (41101222210114).

The spelling of 20100111110012 in words is "twenty trillion, one hundred billion, one hundred eleven million, one hundred ten thousand, twelve".