2101443 has 8 divisors (see below), whose sum is σ = 2822928. Its totient is φ = 1390464.

The previous prime is 2101439. The next prime is 2101447. The reversal of 2101443 is 3441012.

It is an interprime number because it is at equal distance from previous prime (2101439) and next prime (2101447).

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

It is not a de Polignac number, because 2101443 - 2² = 2101439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2101447) 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, 2146 + ... + 2967.

It is an arithmetic number, because the mean of its divisors is an integer number (352866).

2^2101443 is an apocalyptic number.

2101443 is a deficient number, since it is larger than the sum of its proper divisors (721485).

2101443 is a wasteful number, since it uses less digits than its factorization.

2101443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5253.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 2101443 is about 1449.6354714203. The cubic root of 2101443 is about 128.0872411439.

Adding to 2101443 its reverse (3441012), we get a palindrome (5542455).

It can be divided in two parts, 210 and 1443, that added together give a triangular number (1653 = T₅₇).

The spelling of 2101443 in words is "two million, one hundred one thousand, four hundred forty-three".