210021100220210 has 16 divisors (see below), whose sum is σ = 378807915192192. Its totient is φ = 83837343466800.

The previous prime is 210021100220203. The next prime is 210021100220213. The reversal of 210021100220210 is 12022001120012.

It is not an unprimeable number, because it can be changed into a prime (210021100220213) 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, 21387072506 + ... + 21387082325.

It is an arithmetic number, because the mean of its divisors is an integer number (23675494699512).

Almost surely, 2^{210021100220210} is an apocalyptic number.

210021100220210 is a deficient number, since it is larger than the sum of its proper divisors (168786814971982).

210021100220210 is a wasteful number, since it uses less digits than its factorization.

210021100220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42774155329.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 210021100220210 its reverse (12022001120012), we get a palindrome (222043101340222).

The spelling of 210021100220210 in words is "two hundred ten trillion, twenty-one billion, one hundred million, two hundred twenty thousand, two hundred ten".