2021013112 has 16 divisors (see below), whose sum is σ = 3891816360. Its totient is φ = 983195424.

The previous prime is 2021013107. The next prime is 2021013179. The reversal of 2021013112 is 2113101202.

It is a junction number, because it is equal to n+sod(n) for n = 2021013092 and 2021013101.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3413578 + ... + 3414169.

Almost surely, 2^2021013112 is an apocalyptic number.

It is an amenable number.

2021013112 is a deficient number, since it is larger than the sum of its proper divisors (1870803248).

2021013112 is a wasteful number, since it uses less digits than its factorization.

2021013112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6827790 (or 6827786 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2021013112 is about 44955.6794187342. The cubic root of 2021013112 is about 1264.3181631783.

Adding to 2021013112 its reverse (2113101202), we get a palindrome (4134114314).

The spelling of 2021013112 in words is "two billion, twenty-one million, thirteen thousand, one hundred twelve".