2122111100144 has 80 divisors (see below), whose sum is σ = 4706074077696. Its totient is φ = 908100460800.

The previous prime is 2122111100143. The next prime is 2122111100167. The reversal of 2122111100144 is 4410011112212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122111100143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240134894 + ... + 240143730.

Almost surely, 2^{2122111100144} is an apocalyptic number.

It is an amenable number.

2122111100144 is an abundant number, since it is smaller than the sum of its proper divisors (2583962977552).

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

2122111100144 is a wasteful number, since it uses less digits than its factorization.

2122111100144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11854 (or 11848 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 2122111100144 its reverse (4410011112212), we get a palindrome (6532122212356).

The spelling of 2122111100144 in words is "two trillion, one hundred twenty-two billion, one hundred eleven million, one hundred thousand, one hundred forty-four".