2101204043 has 8 divisors (see below), whose sum is σ = 2156090880. Its totient is φ = 2046741480.

The previous prime is 2101204037. The next prime is 2101204051. The reversal of 2101204043 is 3404021012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2101204043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101204643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96023 + ... + 115856.

It is an arithmetic number, because the mean of its divisors is an integer number (269511360).

Almost surely, 2^2101204043 is an apocalyptic number.

2101204043 is a deficient number, since it is larger than the sum of its proper divisors (54886837).

2101204043 is a wasteful number, since it uses less digits than its factorization.

2101204043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212137.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2101204043 is about 45838.8922531948. The cubic root of 2101204043 is about 1280.8238598754.

Adding to 2101204043 its reverse (3404021012), we get a palindrome (5505225055).

The spelling of 2101204043 in words is "two billion, one hundred one million, two hundred four thousand, forty-three".