10033031221 has 4 divisors (see below), whose sum is σ = 10080581344. Its totient is φ = 9985481100.

The previous prime is 10033031207. The next prime is 10033031233. The reversal of 10033031221 is 12213033001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10033031221 - 2⁷ = 10033031093 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10033031195 and 10033031204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10033031251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23774745 + ... + 23775166.

It is an arithmetic number, because the mean of its divisors is an integer number (2520145336).

Almost surely, 2^10033031221 is an apocalyptic number.

It is an amenable number.

10033031221 is a deficient number, since it is larger than the sum of its proper divisors (47550123).

10033031221 is an equidigital number, since it uses as much as digits as its factorization.

10033031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47550122.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 10033031221 its reverse (12213033001), we get a palindrome (22246064222).

The spelling of 10033031221 in words is "ten billion, thirty-three million, thirty-one thousand, two hundred twenty-one".