2120120210 has 48 divisors (see below), whose sum is σ = 4162970376. Its totient is φ = 777014784.

The previous prime is 2120120183. The next prime is 2120120237. The reversal of 2120120210 is 120210212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2120120183) and next prime (2120120237).

It can be written as a sum of positive squares in 12 ways, for example, as 111915241 + 2008204969 = 10579^2 + 44813^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2120120191 and 2120120200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 226952 + ... + 236108.

Almost surely, 2^2120120210 is an apocalyptic number.

2120120210 is a deficient number, since it is larger than the sum of its proper divisors (2042850166).

2120120210 is a wasteful number, since it uses less digits than its factorization.

2120120210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9327 (or 9314 counting only the distinct ones).

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

The square root of 2120120210 is about 46044.7631115635. The cubic root of 2120120210 is about 1284.6559380038.

Adding to 2120120210 its reverse (120210212), we get a palindrome (2240330422).

The spelling of 2120120210 in words is "two billion, one hundred twenty million, one hundred twenty thousand, two hundred ten".