2111004421 has 8 divisors (see below), whose sum is σ = 2117816064. Its totient is φ = 2104202880.

The previous prime is 2111004407. The next prime is 2111004449. The reversal of 2111004421 is 1244001112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2111004421 - 2⁷ = 2111004293 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2111004395 and 2111004404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111004451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 692661 + ... + 695701.

It is an arithmetic number, because the mean of its divisors is an integer number (264727008).

Almost surely, 2^2111004421 is an apocalyptic number.

It is an amenable number.

2111004421 is a deficient number, since it is larger than the sum of its proper divisors (6811643).

2111004421 is a wasteful number, since it uses less digits than its factorization.

2111004421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5051.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 2111004421 is about 45945.6681418390. The cubic root of 2111004421 is about 1282.8120996924.

Adding to 2111004421 its reverse (1244001112), we get a palindrome (3355005533).

The spelling of 2111004421 in words is "two billion, one hundred eleven million, four thousand, four hundred twenty-one".