2113021440444 has 12 divisors (see below), whose sum is σ = 4930383361064. Its totient is φ = 704340480144.

The previous prime is 2113021440443. The next prime is 2113021440493. The reversal of 2113021440444 is 4440441203112.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113021440443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88042560007 + ... + 88042560030.

Almost surely, 2^{2113021440444} is an apocalyptic number.

It is an amenable number.

2113021440444 is an abundant number, since it is smaller than the sum of its proper divisors (2817361920620).

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

2113021440444 is a wasteful number, since it uses less digits than its factorization.

2113021440444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176085120044 (or 176085120042 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 2113021440444 its reverse (4440441203112), we get a palindrome (6553462643556).

The spelling of 2113021440444 in words is "two trillion, one hundred thirteen billion, twenty-one million, four hundred forty thousand, four hundred forty-four".