10033203221 has 16 divisors (see below), whose sum is σ = 10553985408. Its totient is φ = 9519681600.

The previous prime is 10033203211. The next prime is 10033203233. The reversal of 10033203221 is 12230233001.

It is a de Polignac number, because none of the positive numbers 2^k-10033203221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10033203221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10033203211) 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, 2493191 + ... + 2497211.

It is an arithmetic number, because the mean of its divisors is an integer number (659624088).

Almost surely, 2^10033203221 is an apocalyptic number.

It is an amenable number.

10033203221 is a deficient number, since it is larger than the sum of its proper divisors (520782187).

10033203221 is a wasteful number, since it uses less digits than its factorization.

10033203221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4892.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 10033203221 its reverse (12230233001), we get a palindrome (22263436222).

The spelling of 10033203221 in words is "ten billion, thirty-three million, two hundred three thousand, two hundred twenty-one".