4041541102021 has 4 divisors (see below), whose sum is σ = 4041574769772. Its totient is φ = 4041507434272.

The previous prime is 4041541102019. The next prime is 4041541102043. The reversal of 4041541102021 is 1202011451404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3463652265921 + 577888836100 = 1861089^2 + 760190^2 .

It is a cyclic number.

It is not a de Polignac number, because 4041541102021 - 2¹ = 4041541102019 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 (4041541142021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16653166 + ... + 16894111.

It is an arithmetic number, because the mean of its divisors is an integer number (1010393692443).

Almost surely, 2^{4041541102021} is an apocalyptic number.

It is an amenable number.

4041541102021 is a deficient number, since it is larger than the sum of its proper divisors (33667751).

4041541102021 is a wasteful number, since it uses less digits than its factorization.

4041541102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33667750.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 4041541102021 its reverse (1202011451404), we get a palindrome (5243552553425).

The spelling of 4041541102021 in words is "four trillion, forty-one billion, five hundred forty-one million, one hundred two thousand, twenty-one".