20112100200112 has 20 divisors (see below), whose sum is σ = 38968519158720. Its totient is φ = 10055708159168.

The previous prime is 20112100200109. The next prime is 20112100200119. The reversal of 20112100200112 is 21100200121102.

It is a super-3 number, since 3×20112100200112³ (a number of 41 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20112100200092 and 20112100200101.

It is not an unprimeable number, because it can be changed into a prime (20112100200119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20885728 + ... + 21827455.

It is an arithmetic number, because the mean of its divisors is an integer number (1948425957936).

Almost surely, 2^{20112100200112} is an apocalyptic number.

It is an amenable number.

20112100200112 is a deficient number, since it is larger than the sum of its proper divisors (18856418958608).

20112100200112 is a wasteful number, since it uses less digits than its factorization.

20112100200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42742620 (or 42742614 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20112100200112 its reverse (21100200121102), we get a palindrome (41212300321214).

The spelling of 20112100200112 in words is "twenty trillion, one hundred twelve billion, one hundred million, two hundred thousand, one hundred twelve".