2101441 has 4 divisors (see below), whose sum is σ = 2192832. Its totient is φ = 2010052.

The previous prime is 2101439. The next prime is 2101447. The reversal of 2101441 is 1441012.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2101441 - 2¹ = 2101439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45661 + ... + 45706.

It is an arithmetic number, because the mean of its divisors is an integer number (548208).

2^2101441 is an apocalyptic number.

It is an amenable number.

2101441 is a deficient number, since it is larger than the sum of its proper divisors (91391).

2101441 is an equidigital number, since it uses as much as digits as its factorization.

2101441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91390.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2101441 is about 1449.6347815916. The cubic root of 2101441 is about 128.0872005092.

Adding to 2101441 its reverse (1441012), we get a palindrome (3542453).

The spelling of 2101441 in words is "two million, one hundred one thousand, four hundred forty-one".