2001114143444 has 12 divisors (see below), whose sum is σ = 3771330501204. Its totient is φ = 923591143104.

The previous prime is 2001114143423. The next prime is 2001114143453. The reversal of 2001114143444 is 4443414111002.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 874094104900 + 1127020038544 = 934930^2 + 1061612^2 .

It is a super-2 number, since 2×2001114143444² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19241482097 + ... + 19241482200.

It is an arithmetic number, because the mean of its divisors is an integer number (314277541767).

Almost surely, 2^{2001114143444} is an apocalyptic number.

It is an amenable number.

2001114143444 is a deficient number, since it is larger than the sum of its proper divisors (1770216357760).

2001114143444 is a wasteful number, since it uses less digits than its factorization.

2001114143444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38482964314 (or 38482964312 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 2001114143444 its reverse (4443414111002), we get a palindrome (6444528254446).

The spelling of 2001114143444 in words is "two trillion, one billion, one hundred fourteen million, one hundred forty-three thousand, four hundred forty-four".