2021110112 has 48 divisors (see below), whose sum is σ = 4555367712. Its totient is φ = 864691200.

The previous prime is 2021110111. The next prime is 2021110171. The reversal of 2021110112 is 2110111202.

It is a junction number, because it is equal to n+sod(n) for n = 2021110093 and 2021110102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021110111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127118 + ... + 142130.

It is an arithmetic number, because the mean of its divisors is an integer number (94903494).

Almost surely, 2^2021110112 is an apocalyptic number.

It is an amenable number.

2021110112 is an abundant number, since it is smaller than the sum of its proper divisors (2534257600).

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

2021110112 is a wasteful number, since it uses less digits than its factorization.

2021110112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15631 (or 15623 counting only the distinct ones).

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

The square root of 2021110112 is about 44956.7582461191. The cubic root of 2021110112 is about 1264.3383901458.

Adding to 2021110112 its reverse (2110111202), we get a palindrome (4131221314).

The spelling of 2021110112 in words is "two billion, twenty-one million, one hundred ten thousand, one hundred twelve".