2120112210 has 64 divisors (see below), whose sum is σ = 5277809664. Its totient is φ = 544608000.

The previous prime is 2120112199. The next prime is 2120112217. The reversal of 2120112210 is 122110212.

It is not an unprimeable number, because it can be changed into a prime (2120112217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 102655 + ... + 121565.

It is an arithmetic number, because the mean of its divisors is an integer number (82465776).

Almost surely, 2^2120112210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120112210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2638904832).

2120112210 is an abundant number, since it is smaller than the sum of its proper divisors (3157697454).

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

2120112210 is a wasteful number, since it uses less digits than its factorization.

2120112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19059.

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

The square root of 2120112210 is about 46044.6762394959. The cubic root of 2120112210 is about 1284.6543221740.

Adding to 2120112210 its reverse (122110212), we get a palindrome (2242222422).

It can be divided in two parts, 21201 and 12210, that added together give a triangular number (33411 = T₂₅₈).

The spelling of 2120112210 in words is "two billion, one hundred twenty million, one hundred twelve thousand, two hundred ten".