10041221 has 16 divisors (see below), whose sum is σ = 10886400. Its totient is φ = 9242688.

The previous prime is 10041217. The next prime is 10041263. The reversal of 10041221 is 12214001.

10041221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 10041221 - 2² = 10041217 is a prime.

It is a super-2 number, since 2×10041221² = 201652238341682, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10041821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72170 + ... + 72308.

It is an arithmetic number, because the mean of its divisors is an integer number (680400).

Almost surely, 2^10041221 is an apocalyptic number.

It is an amenable number.

10041221 is a deficient number, since it is larger than the sum of its proper divisors (845179).

10041221 is a wasteful number, since it uses less digits than its factorization.

10041221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268.

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

The square root of 10041221 is about 3168.7885697850. The cubic root of 10041221 is about 215.7390896897.

Adding to 10041221 its reverse (12214001), we get a palindrome (22255222).

The spelling of 10041221 in words is "ten million, forty-one thousand, two hundred twenty-one".