10214021 has 8 divisors (see below), whose sum is σ = 10445760. Its totient is φ = 9984352.

The previous prime is 10213999. The next prime is 10214027. The reversal of 10214021 is 12041201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10214021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10213993 and 10214011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10214027) 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 7 ways as a sum of consecutive naturals, for example, 13376 + ... + 14118.

It is an arithmetic number, because the mean of its divisors is an integer number (1305720).

Almost surely, 2^10214021 is an apocalyptic number.

It is an amenable number.

10214021 is a deficient number, since it is larger than the sum of its proper divisors (231739).

10214021 is an equidigital number, since it uses as much as digits as its factorization.

10214021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 10214021 is about 3195.9382034076. The cubic root of 10214021 is about 216.9696135611.

Adding to 10214021 its reverse (12041201), we get a palindrome (22255222).

The spelling of 10214021 in words is "ten million, two hundred fourteen thousand, twenty-one".