2101044243 has 16 divisors (see below), whose sum is σ = 2863111680. Its totient is φ = 1369880736.

The previous prime is 2101044241. The next prime is 2101044259. The reversal of 2101044243 is 3424401012.

It is not a de Polignac number, because 2101044243 - 2¹ = 2101044241 is a prime.

It is a super-2 number, since 2×2101044243² = 8828773822086886098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2101044241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217921 + ... + 227357.

It is an arithmetic number, because the mean of its divisors is an integer number (178944480).

Almost surely, 2^2101044243 is an apocalyptic number.

2101044243 is a deficient number, since it is larger than the sum of its proper divisors (762067437).

2101044243 is a wasteful number, since it uses less digits than its factorization.

2101044243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11066.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2101044243 is about 45837.1491587337. The cubic root of 2101044243 is about 1280.7913894700.

Adding to 2101044243 its reverse (3424401012), we get a palindrome (5525445255).

The spelling of 2101044243 in words is "two billion, one hundred one million, forty-four thousand, two hundred forty-three".