2021100010 has 16 divisors (see below), whose sum is σ = 3639642336. Its totient is φ = 808070608.

The previous prime is 2021099989. The next prime is 2021100019. The reversal of 2021100010 is 100011202.

It is a junction number, because it is equal to n+sod(n) for n = 2021099966 and 2021100002.

It is not an unprimeable number, because it can be changed into a prime (2021100019) 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, 22624 + ... + 67483.

It is an arithmetic number, because the mean of its divisors is an integer number (227477646).

Almost surely, 2^2021100010 is an apocalyptic number.

2021100010 is a deficient number, since it is larger than the sum of its proper divisors (1618542326).

2021100010 is a wasteful number, since it uses less digits than its factorization.

2021100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92357.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 2021100010 is about 44956.6458935717. The cubic root of 2021100010 is about 1264.3362836520.

Adding to 2021100010 its reverse (100011202), we get a palindrome (2121111212).

The spelling of 2021100010 in words is "two billion, twenty-one million, one hundred thousand, ten".