2114404021 has 8 divisors (see below), whose sum is σ = 2157444504. Its totient is φ = 2071633920.

The previous prime is 2114404013. The next prime is 2114404031. The reversal of 2114404021 is 1204044112.

It can be written as a sum of positive squares in 4 ways, for example, as 279224100 + 1835179921 = 16710^2 + 42839^2 .

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 2114404021 - 2³ = 2114404013 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2114404021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2114404031) 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, 51760 + ... + 83113.

It is an arithmetic number, because the mean of its divisors is an integer number (269680563).

Almost surely, 2^2114404021 is an apocalyptic number.

It is an amenable number.

2114404021 is a deficient number, since it is larger than the sum of its proper divisors (43040483).

2114404021 is a wasteful number, since it uses less digits than its factorization.

2114404021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135191.

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

The square root of 2114404021 is about 45982.6491298620. The cubic root of 2114404021 is about 1283.5003516964.

Adding to 2114404021 its reverse (1204044112), we get a palindrome (3318448133).

The spelling of 2114404021 in words is "two billion, one hundred fourteen million, four hundred four thousand, twenty-one".