4130021021 has 8 divisors (see below), whose sum is σ = 4997672640. Its totient is φ = 3331781568.

The previous prime is 4130021011. The next prime is 4130021029. The reversal of 4130021021 is 1201200314.

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 4130021021 - 2¹⁰ = 4130019997 is a prime.

It is a Duffinian number.

4130021021 is a modest number, since divided by 21021 gives 4130 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 4130020987 and 4130021005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4130021029) 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, 17352911 + ... + 17353148.

It is an arithmetic number, because the mean of its divisors is an integer number (624709080).

Almost surely, 2^4130021021 is an apocalyptic number.

It is an amenable number.

4130021021 is a deficient number, since it is larger than the sum of its proper divisors (867651619).

4130021021 is a wasteful number, since it uses less digits than its factorization.

4130021021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34706083.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 4130021021 is about 64265.2396012028. The cubic root of 4130021021 is about 1604.4176121566.

Adding to 4130021021 its reverse (1201200314), we get a palindrome (5331221335).

The spelling of 4130021021 in words is "four billion, one hundred thirty million, twenty-one thousand, twenty-one".