20010112112 has 20 divisors (see below), whose sum is σ = 39007447560. Its totient is φ = 9943674048.

The previous prime is 20010112103. The next prime is 20010112127. The reversal of 20010112112 is 21121101002.

It is a junction number, because it is equal to n+sod(n) for n = 20010112093 and 20010112102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3833687 + ... + 3838902.

It is an arithmetic number, because the mean of its divisors is an integer number (1950372378).

Almost surely, 2^20010112112 is an apocalyptic number.

It is an amenable number.

20010112112 is a deficient number, since it is larger than the sum of its proper divisors (18997335448).

20010112112 is a wasteful number, since it uses less digits than its factorization.

20010112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7672760 (or 7672754 counting only the distinct ones).

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

Adding to 20010112112 its reverse (21121101002), we get a palindrome (41131213114).

The spelling of 20010112112 in words is "twenty billion, ten million, one hundred twelve thousand, one hundred twelve".