10021420441 has 8 divisors (see below), whose sum is σ = 10248205184. Its totient is φ = 9796651920.

The previous prime is 10021420393. The next prime is 10021420447. The reversal of 10021420441 is 14402412001.

10021420441 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 10021420441 - 2²¹ = 10019323289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10021420447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494001 + ... + 513886.

It is an arithmetic number, because the mean of its divisors is an integer number (1281025648).

Almost surely, 2^10021420441 is an apocalyptic number.

It is an amenable number.

10021420441 is a deficient number, since it is larger than the sum of its proper divisors (226784743).

10021420441 is a wasteful number, since it uses less digits than its factorization.

10021420441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008111.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 10021420441 its reverse (14402412001), we get a palindrome (24423832442).

The spelling of 10021420441 in words is "ten billion, twenty-one million, four hundred twenty thousand, four hundred forty-one".