2112220110210 has 64 divisors (see below), whose sum is σ = 5795259208704. Its totient is φ = 482648068800.

The previous prime is 2112220110193. The next prime is 2112220110211. The reversal of 2112220110210 is 120110222112.

It is a super-2 number, since 2×2112220110210² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112220110210.

It is not an unprimeable number, because it can be changed into a prime (2112220110211) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 810276 + ... + 2209295.

It is an arithmetic number, because the mean of its divisors is an integer number (90550925136).

Almost surely, 2^{2112220110210} is an apocalyptic number.

2112220110210 is an abundant number, since it is smaller than the sum of its proper divisors (3683039098494).

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

2112220110210 is a wasteful number, since it uses less digits than its factorization.

2112220110210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3022919.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2112220110210 its reverse (120110222112), we get a palindrome (2232330332322).

The spelling of 2112220110210 in words is "two trillion, one hundred twelve billion, two hundred twenty million, one hundred ten thousand, two hundred ten".