2021010210 has 64 divisors (see below), whose sum is σ = 5394470400. Its totient is φ = 538425216.

The previous prime is 2021010209. The next prime is 2021010227. The reversal of 2021010210 is 120101202.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2021010192 and 2021010201.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 345127 + ... + 350933.

It is an arithmetic number, because the mean of its divisors is an integer number (84288600).

Almost surely, 2^2021010210 is an apocalyptic number.

2021010210 is an abundant number, since it is smaller than the sum of its proper divisors (3373460190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021010210 is a wasteful number, since it uses less digits than its factorization.

2021010210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7112 (or 7106 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2021010210 is about 44955.6471424892. The cubic root of 2021010210 is about 1264.3175580275.

Adding to 2021010210 its reverse (120101202), we get a palindrome (2141111412).

The spelling of 2021010210 in words is "two billion, twenty-one million, ten thousand, two hundred ten".