10333221221 has 8 divisors (see below), whose sum is σ = 10467091488. Its totient is φ = 10199970000.

The previous prime is 10333221191. The next prime is 10333221229. The reversal of 10333221221 is 12212233301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10333221221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10333221193 and 10333221202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10333221229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121115 + ... + 187976.

It is an arithmetic number, because the mean of its divisors is an integer number (1308386436).

Almost surely, 2^10333221221 is an apocalyptic number.

It is an amenable number.

10333221221 is a deficient number, since it is larger than the sum of its proper divisors (133870267).

10333221221 is a wasteful number, since it uses less digits than its factorization.

10333221221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309523.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 10333221221 its reverse (12212233301), we get a palindrome (22545454522).

The spelling of 10333221221 in words is "ten billion, three hundred thirty-three million, two hundred twenty-one thousand, two hundred twenty-one".