2143050011 has 4 divisors (see below), whose sum is σ = 2143143024. Its totient is φ = 2142957000.

The previous prime is 2143049999. The next prime is 2143050029. The reversal of 2143050011 is 1100503412.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2143050011 - 2⁶ = 2143049947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2143050911) 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, 16586 + ... + 67536.

It is an arithmetic number, because the mean of its divisors is an integer number (535785756).

Almost surely, 2^2143050011 is an apocalyptic number.

2143050011 is a deficient number, since it is larger than the sum of its proper divisors (93013).

2143050011 is an equidigital number, since it uses as much as digits as its factorization.

2143050011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93012.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 2143050011 is about 46293.0881557928. The cubic root of 2143050011 is about 1289.2706673946.

Adding to 2143050011 its reverse (1100503412), we get a palindrome (3243553423).

The spelling of 2143050011 in words is "two billion, one hundred forty-three million, fifty thousand, eleven".