20112122200112 has 20 divisors (see below), whose sum is σ = 38967810971160. Its totient is φ = 10055912917248.

The previous prime is 20112122200103. The next prime is 20112122200123. The reversal of 20112122200112 is 21100222121102.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8137562 + ... + 10317177.

It is an arithmetic number, because the mean of its divisors is an integer number (1948390548558).

Almost surely, 2^{20112122200112} is an apocalyptic number.

It is an amenable number.

20112122200112 is a deficient number, since it is larger than the sum of its proper divisors (18855688771048).

20112122200112 is a wasteful number, since it uses less digits than its factorization.

20112122200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18522860 (or 18522854 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20112122200112 its reverse (21100222121102), we get a palindrome (41212344321214).

The spelling of 20112122200112 in words is "twenty trillion, one hundred twelve billion, one hundred twenty-two million, two hundred thousand, one hundred twelve".