10221323221033 has 4 divisors (see below), whose sum is σ = 10221620551108. Its totient is φ = 10221025890960.

The previous prime is 10221323220961. The next prime is 10221323221049. The reversal of 10221323221033 is 33012232312201.

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 2664690582544 + 7556632638489 = 1632388^2 + 2748933^2 .

It is a cyclic number.

It is not a de Polignac number, because 10221323221033 - 2²⁹ = 10220786350121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10221323220989 and 10221323221007.

It is not an unprimeable number, because it can be changed into a prime (10221323221063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148613466 + ... + 148682227.

It is an arithmetic number, because the mean of its divisors is an integer number (2555405137777).

Almost surely, 2^{10221323221033} is an apocalyptic number.

It is an amenable number.

10221323221033 is a deficient number, since it is larger than the sum of its proper divisors (297330075).

10221323221033 is an equidigital number, since it uses as much as digits as its factorization.

10221323221033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297330074.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 10221323221033 its reverse (33012232312201), we get a palindrome (43233555533234).

The spelling of 10221323221033 in words is "ten trillion, two hundred twenty-one billion, three hundred twenty-three million, two hundred twenty-one thousand, thirty-three".