210120101210 has 16 divisors (see below), whose sum is σ = 378274927392. Its totient is φ = 84034986000.

The previous prime is 210120101159. The next prime is 210120101227. The reversal of 210120101210 is 12101021012.

It is a junction number, because it is equal to n+sod(n) for n = 210120101191 and 210120101200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1564076 + ... + 1693095.

It is an arithmetic number, because the mean of its divisors is an integer number (23642182962).

Almost surely, 2^210120101210 is an apocalyptic number.

210120101210 is a deficient number, since it is larger than the sum of its proper divisors (168154826182).

210120101210 is a wasteful number, since it uses less digits than its factorization.

210120101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3263629.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 210120101210 its reverse (12101021012), we get a palindrome (222221122222).

The spelling of 210120101210 in words is "two hundred ten billion, one hundred twenty million, one hundred one thousand, two hundred ten".