4102205421 has 8 divisors (see below), whose sum is σ = 5470050400. Its totient is φ = 2734582032.

The previous prime is 4102205407. The next prime is 4102205447. The reversal of 4102205421 is 1245022014.

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

It is not a de Polignac number, because 4102205421 - 2⁵ = 4102205389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4102205491) 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, 5875 + ... + 90768.

It is an arithmetic number, because the mean of its divisors is an integer number (683756300).

Almost surely, 2^4102205421 is an apocalyptic number.

It is an amenable number.

4102205421 is a deficient number, since it is larger than the sum of its proper divisors (1367844979).

4102205421 is a wasteful number, since it uses less digits than its factorization.

4102205421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110795.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 4102205421 is about 64048.4615037707. The cubic root of 4102205421 is about 1600.8075898316.

Adding to 4102205421 its reverse (1245022014), we get a palindrome (5347227435).

The spelling of 4102205421 in words is "four billion, one hundred two million, two hundred five thousand, four hundred twenty-one".