4101021421 has 8 divisors (see below), whose sum is σ = 4730685120. Its totient is φ = 3482308608.

The previous prime is 4101021409. The next prime is 4101021443. The reversal of 4101021421 is 1241201014.

It is a happy number.

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 4101021421 - 2⁷ = 4101021293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4101021395 and 4101021404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4101027421) 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, 2736916 + ... + 2738413.

It is an arithmetic number, because the mean of its divisors is an integer number (591335640).

Almost surely, 2^4101021421 is an apocalyptic number.

It is an amenable number.

4101021421 is a deficient number, since it is larger than the sum of its proper divisors (629663699).

4101021421 is a wasteful number, since it uses less digits than its factorization.

4101021421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5475443.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 4101021421 is about 64039.2178356357. The cubic root of 4101021421 is about 1600.6535638570.

Adding to 4101021421 its reverse (1241201014), we get a palindrome (5342222435).

The spelling of 4101021421 in words is "four billion, one hundred one million, twenty-one thousand, four hundred twenty-one".