10221201 has 16 divisors (see below), whose sum is σ = 15328320. Its totient is φ = 6730560.

The previous prime is 10221191. The next prime is 10221203. The reversal of 10221201 is 10212201.

It is not a de Polignac number, because 10221201 - 2⁷ = 10221073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10221203) 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, 40 + ... + 4521.

It is an arithmetic number, because the mean of its divisors is an integer number (958020).

Almost surely, 2^10221201 is an apocalyptic number.

It is an amenable number.

10221201 is a deficient number, since it is larger than the sum of its proper divisors (5107119).

10221201 is an equidigital number, since it uses as much as digits as its factorization.

10221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4653 (or 4647 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 10221201 is about 3197.0613068879. The cubic root of 10221201 is about 217.0204416316.

Adding to 10221201 its reverse (10212201), we get a palindrome (20433402).

It can be divided in two parts, 1022120 and 1, that added together give a square (1022121 = 1011²).

The spelling of 10221201 in words is "ten million, two hundred twenty-one thousand, two hundred one".