10133321221 has 8 divisors (see below), whose sum is σ = 10169025624. Its totient is φ = 10097640960.

The previous prime is 10133321197. The next prime is 10133321279. The reversal of 10133321221 is 12212333101.

It can be written as a sum of positive squares in 4 ways, for example, as 428904100 + 9704417121 = 20710^2 + 98511^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 10133321221 - 2¹¹ = 10133319173 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 (10133321321) 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 7 ways as a sum of consecutive naturals, for example, 1350801 + ... + 1358281.

It is an arithmetic number, because the mean of its divisors is an integer number (1271128203).

Almost surely, 2^10133321221 is an apocalyptic number.

It is an amenable number.

10133321221 is a deficient number, since it is larger than the sum of its proper divisors (35704403).

10133321221 is an equidigital number, since it uses as much as digits as its factorization.

10133321221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12071.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10133321221 its reverse (12212333101), we get a palindrome (22345654322).

The spelling of 10133321221 in words is "ten billion, one hundred thirty-three million, three hundred twenty-one thousand, two hundred twenty-one".