2122122021144 has 32 divisors (see below), whose sum is σ = 5305504788720. Its totient is φ = 707347375616.

The previous prime is 2122122021143. The next prime is 2122122021169. The reversal of 2122122021144 is 4411202212212.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122122021143) 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 7 ways as a sum of consecutive naturals, for example, 1008429 + ... + 2293724.

Almost surely, 2^{2122122021144} is an apocalyptic number.

2122122021144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2122122021144 is an abundant number, since it is smaller than the sum of its proper divisors (3183382767576).

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

2122122021144 is a wasteful number, since it uses less digits than its factorization.

2122122021144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3328939 (or 3328935 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 2122122021144 its reverse (4411202212212), we get a palindrome (6533324233356).

The spelling of 2122122021144 in words is "two trillion, one hundred twenty-two billion, one hundred twenty-two million, twenty-one thousand, one hundred forty-four".