2001101443 has 8 divisors (see below), whose sum is σ = 2224209456. Its totient is φ = 1784858400.

The previous prime is 2001101441. The next prime is 2001101483. The reversal of 2001101443 is 3441011002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2001101443 - 2¹ = 2001101441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2001101441) 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, 1715628 + ... + 1716793.

It is an arithmetic number, because the mean of its divisors is an integer number (278026182).

Almost surely, 2^2001101443 is an apocalyptic number.

2001101443 is a deficient number, since it is larger than the sum of its proper divisors (223108013).

2001101443 is a wasteful number, since it uses less digits than its factorization.

2001101443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432485.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2001101443 is about 44733.6723621032. The cubic root of 2001101443 is about 1260.1522959862.

Adding to 2001101443 its reverse (3441011002), we get a palindrome (5442112445).

The spelling of 2001101443 in words is "two billion, one million, one hundred one thousand, four hundred forty-three".