21114003200444 has 24 divisors (see below), whose sum is σ = 46066916074368. Its totient is φ = 8226235013040.

The previous prime is 21114003200443. The next prime is 21114003200461. The reversal of 21114003200444 is 44400230041112.

It is a super-2 number, since 2×21114003200444² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21114003200443) 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, 34275978914 + ... + 34275979529.

It is an arithmetic number, because the mean of its divisors is an integer number (1919454836432).

Almost surely, 2^{21114003200444} is an apocalyptic number.

It is an amenable number.

21114003200444 is an abundant number, since it is smaller than the sum of its proper divisors (24952912873924).

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

21114003200444 is a wasteful number, since it uses less digits than its factorization.

21114003200444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68551958465 (or 68551958463 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 21114003200444 its reverse (44400230041112), we get a palindrome (65514233241556).

The spelling of 21114003200444 in words is "twenty-one trillion, one hundred fourteen billion, three million, two hundred thousand, four hundred forty-four".