2021010116 has 24 divisors (see below), whose sum is σ = 3873948120. Its totient is φ = 918267392.

The previous prime is 2021010113. The next prime is 2021010127. The reversal of 2021010116 is 6110101202.

It can be written as a sum of positive squares in 4 ways, for example, as 846577216 + 1174432900 = 29096^2 + 34270^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2021010116.

It is not an unprimeable number, because it can be changed into a prime (2021010113) 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, 510455 + ... + 514398.

It is an arithmetic number, because the mean of its divisors is an integer number (161414505).

Almost surely, 2^2021010116 is an apocalyptic number.

It is an amenable number.

2021010116 is a deficient number, since it is larger than the sum of its proper divisors (1852938004).

2021010116 is a wasteful number, since it uses less digits than its factorization.

2021010116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024903 (or 1024901 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

The square root of 2021010116 is about 44955.6460970143. The cubic root of 2021010116 is about 1264.3175384258.

Adding to 2021010116 its reverse (6110101202), we get a palindrome (8131111318).

The spelling of 2021010116 in words is "two billion, twenty-one million, ten thousand, one hundred sixteen".