10011421 has 8 divisors (see below), whose sum is σ = 11721024. Its totient is φ = 8371680.

The previous prime is 10011403. The next prime is 10011431. The reversal of 10011421 is 12411001.

10011421 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 10011421 - 2¹⁵ = 9978653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10011398 and 10011407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10011431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17155 + ... + 17728.

It is an arithmetic number, because the mean of its divisors is an integer number (1465128).

Almost surely, 2^10011421 is an apocalyptic number.

It is an amenable number.

10011421 is a deficient number, since it is larger than the sum of its proper divisors (1709603).

10011421 is an equidigital number, since it uses as much as digits as its factorization.

10011421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34931.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 10011421 is about 3164.0829635141. The cubic root of 10011421 is about 215.5254571269.

Adding to 10011421 its reverse (12411001), we get a palindrome (22422422).

The spelling of 10011421 in words is "ten million, eleven thousand, four hundred twenty-one".