2120122210 has 64 divisors (see below), whose sum is σ = 3968294400. Its totient is φ = 815173632.

The previous prime is 2120122189. The next prime is 2120122211. The reversal of 2120122210 is 122210212.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2120122211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5593801 + ... + 5594179.

It is an arithmetic number, because the mean of its divisors is an integer number (62004600).

Almost surely, 2^2120122210 is an apocalyptic number.

2120122210 is a deficient number, since it is larger than the sum of its proper divisors (1848172190).

2120122210 is a wasteful number, since it uses less digits than its factorization.

2120122210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2120122210 is about 46044.7848295548. The cubic root of 2120122210 is about 1284.6563419606.

Adding to 2120122210 its reverse (122210212), we get a palindrome (2242332422).

The spelling of 2120122210 in words is "two billion, one hundred twenty million, one hundred twenty-two thousand, two hundred ten".