2021100112 has 20 divisors (see below), whose sum is σ = 3927177216. Its totient is φ = 1007635040.

The previous prime is 2021100089. The next prime is 2021100121. The reversal of 2021100112 is 2110011202.

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, 176464 + ... + 187567.

Almost surely, 2^2021100112 is an apocalyptic number.

It is an amenable number.

2021100112 is a deficient number, since it is larger than the sum of its proper divisors (1906077104).

2021100112 is a wasteful number, since it uses less digits than its factorization.

2021100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364386 (or 364380 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2021100112 is about 44956.6470279980. The cubic root of 2021100112 is about 1264.3363049214.

Adding to 2021100112 its reverse (2110011202), we get a palindrome (4131111314).

The spelling of 2021100112 in words is "two billion, twenty-one million, one hundred thousand, one hundred twelve".