2144425212121 has 8 divisors (see below), whose sum is σ = 2204554938624. Its totient is φ = 2084899804800.

The previous prime is 2144425212119. The next prime is 2144425212199. The reversal of 2144425212121 is 1212125244412.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2144425212121 - 2¹ = 2144425212119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144425218121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151072600 + ... + 151086793.

It is an arithmetic number, because the mean of its divisors is an integer number (275569367328).

Almost surely, 2^{2144425212121} is an apocalyptic number.

It is an amenable number.

2144425212121 is a deficient number, since it is larger than the sum of its proper divisors (60129726503).

2144425212121 is a wasteful number, since it uses less digits than its factorization.

2144425212121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302159591.

The product of its digits is 10240, while the sum is 31.

The spelling of 2144425212121 in words is "two trillion, one hundred forty-four billion, four hundred twenty-five million, two hundred twelve thousand, one hundred twenty-one".