2101043033 has 4 divisors (see below), whose sum is σ = 2102905140. Its totient is φ = 2099180928.

The previous prime is 2101043029. The next prime is 2101043051. The reversal of 2101043033 is 3303401012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 107599129 + 1993443904 = 10373^2 + 44648^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101043033 - 2² = 2101043029 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101043053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929360 + ... + 931617.

It is an arithmetic number, because the mean of its divisors is an integer number (525726285).

Almost surely, 2^2101043033 is an apocalyptic number.

It is an amenable number.

2101043033 is a deficient number, since it is larger than the sum of its proper divisors (1862107).

2101043033 is a wasteful number, since it uses less digits than its factorization.

2101043033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1862106.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 2101043033 is about 45837.1359598306. The cubic root of 2101043033 is about 1280.7911435989.

Adding to 2101043033 its reverse (3303401012), we get a palindrome (5404444045).

The spelling of 2101043033 in words is "two billion, one hundred one million, forty-three thousand, thirty-three".