2212110021210 has 128 divisors (see below), whose sum is σ = 5549028249600. Its totient is φ = 563811782400.

The previous prime is 2212110021193. The next prime is 2212110021217. The reversal of 2212110021210 is 121200112122.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2212110021210.

It is not an unprimeable number, because it can be changed into a prime (2212110021217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 95014351 + ... + 95037629.

It is an arithmetic number, because the mean of its divisors is an integer number (43351783200).

Almost surely, 2^{2212110021210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212110021210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2774514124800).

2212110021210 is an abundant number, since it is smaller than the sum of its proper divisors (3336918228390).

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

2212110021210 is a wasteful number, since it uses less digits than its factorization.

2212110021210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24836.

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

Adding to 2212110021210 its reverse (121200112122), we get a palindrome (2333310133332).

The spelling of 2212110021210 in words is "two trillion, two hundred twelve billion, one hundred ten million, twenty-one thousand, two hundred ten".