4102441402221 has 6 divisors (see below), whose sum is σ = 5925748692110. Its totient is φ = 2734960934808.

The previous prime is 4102441402217. The next prime is 4102441402249. The reversal of 4102441402221 is 1222041442014.

4102441402221 is a `hidden beast` number, since 4 + 1 + 0 + 24 + 414 + 0 + 2 + 221 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3968840918025 + 133600484196 = 1992195^2 + 365514^2 .

It is not a de Polignac number, because 4102441402221 - 2² = 4102441402217 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 (4102441400221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 227913411226 + ... + 227913411243.

Almost surely, 2^{4102441402221} is an apocalyptic number.

It is an amenable number.

4102441402221 is a deficient number, since it is larger than the sum of its proper divisors (1823307289889).

4102441402221 is a wasteful number, since it uses less digits than its factorization.

4102441402221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455826822475 (or 455826822472 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 4102441402221 its reverse (1222041442014), we get a palindrome (5324482844235).

The spelling of 4102441402221 in words is "four trillion, one hundred two billion, four hundred forty-one million, four hundred two thousand, two hundred twenty-one".