10333323221 has 4 divisors (see below), whose sum is σ = 11128194252. Its totient is φ = 9538452192.

The previous prime is 10333323211. The next prime is 10333323251. The reversal of 10333323221 is 12232333301.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2231523121 + 8101800100 = 47239^2 + 90010^2 .

It is a cyclic number.

It is not a de Polignac number, because 10333323221 - 2⁶ = 10333323157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10333323211) 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, 397435496 + ... + 397435521.

It is an arithmetic number, because the mean of its divisors is an integer number (2782048563).

Almost surely, 2^10333323221 is an apocalyptic number.

It is an amenable number.

10333323221 is a deficient number, since it is larger than the sum of its proper divisors (794871031).

10333323221 is an equidigital number, since it uses as much as digits as its factorization.

10333323221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794871030.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 10333323221 its reverse (12232333301), we get a palindrome (22565656522).

The spelling of 10333323221 in words is "ten billion, three hundred thirty-three million, three hundred twenty-three thousand, two hundred twenty-one".