2011404421 has 16 divisors (see below), whose sum is σ = 2226159936. Its totient is φ = 1805602176.

The previous prime is 2011404389. The next prime is 2011404443. The reversal of 2011404421 is 1244041102.

It is a cyclic number.

It is not a de Polignac number, because 2011404421 - 2⁵ = 2011404389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011404821) 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, 122526 + ... + 137968.

It is an arithmetic number, because the mean of its divisors is an integer number (139134996).

Almost surely, 2^2011404421 is an apocalyptic number.

It is an amenable number.

2011404421 is a deficient number, since it is larger than the sum of its proper divisors (214755515).

2011404421 is a wasteful number, since it uses less digits than its factorization.

2011404421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15732.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 2011404421 is about 44848.6836038696. The cubic root of 2011404421 is about 1262.3112907633.

Adding to 2011404421 its reverse (1244041102), we get a palindrome (3255445523).

The spelling of 2011404421 in words is "two billion, eleven million, four hundred four thousand, four hundred twenty-one".