2021011112 has 16 divisors (see below), whose sum is σ = 3790343700. Its totient is φ = 1010252800.

The previous prime is 2021011103. The next prime is 2021011123. The reversal of 2021011112 is 2111101202.

It can be written as a sum of positive squares in 2 ways, for example, as 2020862116 + 148996 = 44954^2 + 386^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2021011093 and 2021011102.

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, 4862 + ... + 63762.

Almost surely, 2^2021011112 is an apocalyptic number.

It is an amenable number.

2021011112 is a deficient number, since it is larger than the sum of its proper divisors (1769332588).

2021011112 is a wasteful number, since it uses less digits than its factorization.

2021011112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63196 (or 63192 counting only the distinct ones).

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

The square root of 2021011112 is about 44955.6571745982. The cubic root of 2021011112 is about 1264.3177461206.

Adding to 2021011112 its reverse (2111101202), we get a palindrome (4132112314).

The spelling of 2021011112 in words is "two billion, twenty-one million, eleven thousand, one hundred twelve".