2131101200444 has 24 divisors (see below), whose sum is σ = 3927570919440. Its totient is φ = 1008991171584.

The previous prime is 2131101200441. The next prime is 2131101200453. The reversal of 2131101200444 is 4440021011312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131101200441) 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, 6474719 + ... + 6795894.

It is an arithmetic number, because the mean of its divisors is an integer number (163648788310).

Almost surely, 2^{2131101200444} is an apocalyptic number.

It is an amenable number.

2131101200444 is a deficient number, since it is larger than the sum of its proper divisors (1796469718996).

2131101200444 is a wasteful number, since it uses less digits than its factorization.

2131101200444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13272749 (or 13272747 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 2131101200444 its reverse (4440021011312), we get a palindrome (6571122211756).

The spelling of 2131101200444 in words is "two trillion, one hundred thirty-one billion, one hundred one million, two hundred thousand, four hundred forty-four".