20111012200112 has 80 divisors (see below), whose sum is σ = 39909328868640. Its totient is φ = 9814446950400.

The previous prime is 20111012200039. The next prime is 20111012200121. The reversal of 20111012200112 is 21100221011102.

It is a super-3 number, since 3×20111012200112³ (a number of 41 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270341162 + ... + 270415542.

It is an arithmetic number, because the mean of its divisors is an integer number (498866610858).

Almost surely, 2^{20111012200112} is an apocalyptic number.

It is an amenable number.

20111012200112 is a deficient number, since it is larger than the sum of its proper divisors (19798316668528).

20111012200112 is a wasteful number, since it uses less digits than its factorization.

20111012200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76582 (or 76576 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20111012200112 its reverse (21100221011102), we get a palindrome (41211233211214).

The spelling of 20111012200112 in words is "twenty trillion, one hundred eleven billion, twelve million, two hundred thousand, one hundred twelve".