2101041321 has 8 divisors (see below), whose sum is σ = 2802893184. Its totient is φ = 1399941840.

The previous prime is 2101041287. The next prime is 2101041323. The reversal of 2101041321 is 1231401012.

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

It is not a de Polignac number, because 2101041321 - 2¹⁰ = 2101040297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2101041321.

It is not an unprimeable number, because it can be changed into a prime (2101041323) 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, 181546 + ... + 192771.

It is an arithmetic number, because the mean of its divisors is an integer number (350361648).

Almost surely, 2^2101041321 is an apocalyptic number.

It is an amenable number.

2101041321 is a deficient number, since it is larger than the sum of its proper divisors (701851863).

2101041321 is a wasteful number, since it uses less digits than its factorization.

2101041321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376191.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2101041321 is about 45837.1172850126. The cubic root of 2101041321 is about 1280.7907957217.

Adding to 2101041321 its reverse (1231401012), we get a palindrome (3332442333).

The spelling of 2101041321 in words is "two billion, one hundred one million, forty-one thousand, three hundred twenty-one".