2120210210 has 8 divisors (see below), whose sum is σ = 3816378396. Its totient is φ = 848084080.

The previous prime is 2120210203. The next prime is 2120210221. The reversal of 2120210210 is 120120212.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2039515921 + 80694289 = 45161^2 + 8983^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2120210191 and 2120210200.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106010501 + ... + 106010520.

Almost surely, 2^2120210210 is an apocalyptic number.

2120210210 is a deficient number, since it is larger than the sum of its proper divisors (1696168186).

2120210210 is a wasteful number, since it uses less digits than its factorization.

2120210210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212021028.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2120210210 is about 46045.7404110304. The cubic root of 2120210210 is about 1284.6741158093.

Adding to 2120210210 its reverse (120120212), we get a palindrome (2240330422).

The spelling of 2120210210 in words is "two billion, one hundred twenty million, two hundred ten thousand, two hundred ten".