10930021 has 4 divisors (see below), whose sum is σ = 11061792. Its totient is φ = 10798252.

The previous prime is 10930009. The next prime is 10930033. The reversal of 10930021 is 12003901.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (10930009) and next prime (10930033).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10930021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10929977 and 10930004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10930061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65761 + ... + 65926.

It is an arithmetic number, because the mean of its divisors is an integer number (2765448).

Almost surely, 2^10930021 is an apocalyptic number.

It is an amenable number.

10930021 is a deficient number, since it is larger than the sum of its proper divisors (131771).

10930021 is an equidigital number, since it uses as much as digits as its factorization.

10930021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131770.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 10930021 is about 3306.0582269525. The cubic root of 10930021 is about 221.9253935921.

Adding to 10930021 its reverse (12003901), we get a palindrome (22933922).

The spelling of 10930021 in words is "ten million, nine hundred thirty thousand, twenty-one".