2144110111122 has 128 divisors (see below), whose sum is σ = 5170959360000. Its totient is φ = 579786584832.

The previous prime is 2144110111049. The next prime is 2144110111139. The reversal of 2144110111122 is 2211110114412.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 13294704 + ... + 13455012.

It is an arithmetic number, because the mean of its divisors is an integer number (40398120000).

Almost surely, 2^{2144110111122} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2144110111122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2585479680000).

2144110111122 is an abundant number, since it is smaller than the sum of its proper divisors (3026849248878).

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

2144110111122 is a wasteful number, since it uses less digits than its factorization.

2144110111122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160568.

The product of its (nonzero) digits is 128, while the sum is 21.

Adding to 2144110111122 its reverse (2211110114412), we get a palindrome (4355220225534).

The spelling of 2144110111122 in words is "two trillion, one hundred forty-four billion, one hundred ten million, one hundred eleven thousand, one hundred twenty-two".