2121004324044 has 36 divisors (see below), whose sum is σ = 5534376877120. Its totient is φ = 684194942880.

The previous prime is 2121004324039. The next prime is 2121004324057. The reversal of 2121004324044 is 4404234001212.

2121004324044 is a `hidden beast` number, since 2 + 1 + 210 + 0 + 43 + 2 + 404 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2121004324044² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2121004323999 and 2121004324017.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 950269639 + ... + 950271870.

Almost surely, 2^{2121004324044} is an apocalyptic number.

It is an amenable number.

2121004324044 is an abundant number, since it is smaller than the sum of its proper divisors (3413372553076).

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

2121004324044 is a wasteful number, since it uses less digits than its factorization.

2121004324044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1900541550 (or 1900541545 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 2121004324044 its reverse (4404234001212), we get a palindrome (6525238325256).

The spelling of 2121004324044 in words is "two trillion, one hundred twenty-one billion, four million, three hundred twenty-four thousand, forty-four".