2212120110 has 64 divisors (see below), whose sum is σ = 5460793344. Its totient is φ = 573091200.

The previous prime is 2212120081. The next prime is 2212120111. The reversal of 2212120110 is 110212122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212120111) 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, 1099005 + ... + 1101015.

It is an arithmetic number, because the mean of its divisors is an integer number (85324896).

Almost surely, 2^2212120110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212120110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2730396672).

2212120110 is an abundant number, since it is smaller than the sum of its proper divisors (3248673234).

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

2212120110 is a wasteful number, since it uses less digits than its factorization.

2212120110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2212120110 is about 47033.1809470718. The cubic root of 2212120110 is about 1302.9754547665.

Adding to 2212120110 its reverse (110212122), we get a palindrome (2322332232).

The spelling of 2212120110 in words is "two billion, two hundred twelve million, one hundred twenty thousand, one hundred ten".