20112001112 has 16 divisors (see below), whose sum is σ = 43097145360. Its totient is φ = 8619429024.

The previous prime is 20112001097. The next prime is 20112001121. The reversal of 20112001112 is 21110021102.

It is a junction number, because it is equal to n+sod(n) for n = 20112001093 and 20112001102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179571383 + ... + 179571494.

It is an arithmetic number, because the mean of its divisors is an integer number (2693571585).

Almost surely, 2^20112001112 is an apocalyptic number.

It is an amenable number.

20112001112 is an abundant number, since it is smaller than the sum of its proper divisors (22985144248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20112001112 is a wasteful number, since it uses less digits than its factorization.

20112001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359142890 (or 359142886 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20112001112 its reverse (21110021102), we get a palindrome (41222022214).

The spelling of 20112001112 in words is "twenty billion, one hundred twelve million, one thousand, one hundred twelve".