2122121130210 has 24 divisors (see below), whose sum is σ = 5517514938780. Its totient is φ = 565898968032.

The previous prime is 2122121130187. The next prime is 2122121130287. The reversal of 2122121130210 is 120311212212.

2122121130210 is a `hidden beast` number, since 21 + 221 + 211 + 3 + 0 + 210 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1844688225249 + 277432904961 = 1358193^2 + 526719^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11789561745 + ... + 11789561924.

Almost surely, 2^{2122121130210} is an apocalyptic number.

2122121130210 is an abundant number, since it is smaller than the sum of its proper divisors (3395393808570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2122121130210 is a wasteful number, since it uses less digits than its factorization.

2122121130210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23579123682 (or 23579123679 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 2122121130210 its reverse (120311212212), we get a palindrome (2242432342422).

The spelling of 2122121130210 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-one million, one hundred thirty thousand, two hundred ten".