210021050 has 24 divisors (see below), whose sum is σ = 407625696. Its totient is φ = 80355440.

The previous prime is 210021047. The next prime is 210021067. The reversal of 210021050 is 50120012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90164 + ... + 92463.

It is an arithmetic number, because the mean of its divisors is an integer number (16984404).

Almost surely, 2^210021050 is an apocalyptic number.

210021050 is a deficient number, since it is larger than the sum of its proper divisors (197604646).

210021050 is a wasteful number, since it uses less digits than its factorization.

210021050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182662 (or 182657 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 11.

The square root of 210021050 is about 14492.1030219910. The cubic root of 210021050 is about 594.4120548599.

Adding to 210021050 its reverse (50120012), we get a palindrome (260141062).

The spelling of 210021050 in words is "two hundred ten million, twenty-one thousand, fifty".