2120340011 has 4 divisors (see below), whose sum is σ = 2245065912. Its totient is φ = 1995614112.

The previous prime is 2120339987. The next prime is 2120340029. The reversal of 2120340011 is 1100430212.

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

It is a cyclic number.

It is not a de Polignac number, because 2120340011 - 2¹⁴ = 2120323627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2120340041) 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 3 ways as a sum of consecutive naturals, for example, 62362925 + ... + 62362958.

It is an arithmetic number, because the mean of its divisors is an integer number (561266478).

Almost surely, 2^2120340011 is an apocalyptic number.

2120340011 is a deficient number, since it is larger than the sum of its proper divisors (124725901).

2120340011 is a wasteful number, since it uses less digits than its factorization.

2120340011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124725900.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2120340011 is about 46047.1498683686. The cubic root of 2120340011 is about 1284.7003315404.

Adding to 2120340011 its reverse (1100430212), we get a palindrome (3220770223).

The spelling of 2120340011 in words is "two billion, one hundred twenty million, three hundred forty thousand, eleven".