10003312221 has 48 divisors (see below), whose sum is σ = 16046443008. Its totient is φ = 5521219200.

The previous prime is 10003312217. The next prime is 10003312259. The reversal of 10003312221 is 12221330001.

It is not a de Polignac number, because 10003312221 - 2² = 10003312217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10003312221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10003312211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2791651 + ... + 2795231.

It is an arithmetic number, because the mean of its divisors is an integer number (334300896).

Almost surely, 2^10003312221 is an apocalyptic number.

It is an amenable number.

10003312221 is a deficient number, since it is larger than the sum of its proper divisors (6043130787).

10003312221 is a wasteful number, since it uses less digits than its factorization.

10003312221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4242 (or 4235 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 10003312221 its reverse (12221330001), we get a palindrome (22224642222).

The spelling of 10003312221 in words is "ten billion, three million, three hundred twelve thousand, two hundred twenty-one".