10133021 has 4 divisors (see below), whose sum is σ = 10177500. Its totient is φ = 10088544.

The previous prime is 10132999. The next prime is 10133029. The reversal of 10133021 is 12033101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12033101 = 73 ⋅164837.

It can be written as a sum of positive squares in 2 ways, for example, as 4305625 + 5827396 = 2075^2 + 2414^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10133021 is a prime.

It is a super-2 number, since 2×10133021² = 205356229172882, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10132993 and 10133011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10133029) 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, 21896 + ... + 22353.

It is an arithmetic number, because the mean of its divisors is an integer number (2544375).

Almost surely, 2^10133021 is an apocalyptic number.

It is an amenable number.

10133021 is a deficient number, since it is larger than the sum of its proper divisors (44479).

10133021 is an equidigital number, since it uses as much as digits as its factorization.

10133021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44478.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 10133021 is about 3183.2406443748. The cubic root of 10133021 is about 216.3945477948.

Adding to 10133021 its reverse (12033101), we get a palindrome (22166122).

The spelling of 10133021 in words is "ten million, one hundred thirty-three thousand, twenty-one".