2212110121110 has 128 divisors (see below), whose sum is σ = 5561726091264. Its totient is φ = 562569960960.

The previous prime is 2212110121087. The next prime is 2212110121159. The reversal of 2212110121110 is 111210112122.

It is a happy number.

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 2212110121110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11605980 + ... + 11795040.

It is an arithmetic number, because the mean of its divisors is an integer number (43450985088).

Almost surely, 2^{2212110121110} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2212110121110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2780863045632).

2212110121110 is an abundant number, since it is smaller than the sum of its proper divisors (3349615970154).

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

2212110121110 is a wasteful number, since it uses less digits than its factorization.

2212110121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189318.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 2212110121110 its reverse (111210112122), we get a palindrome (2323320233232).

It can be divided in two parts, 221211012 and 1110, that added together give a palindrome (221212122).

The spelling of 2212110121110 in words is "two trillion, two hundred twelve billion, one hundred ten million, one hundred twenty-one thousand, one hundred ten".