10221320033 has 2 divisors, whose sum is σ = 10221320034. Its totient is φ = 10221320032.

The previous prime is 10221320027. The next prime is 10221320063. The reversal of 10221320033 is 33002312201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8954458384 + 1266861649 = 94628^2 + 35593^2 .

It is a cyclic number.

It is not a de Polignac number, because 10221320033 - 2²² = 10217125729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10221319993 and 10221320020.

It is not a weakly prime, because it can be changed into another prime (10221320063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110660016 + 5110660017.

It is an arithmetic number, because the mean of its divisors is an integer number (5110660017).

Almost surely, 2^10221320033 is an apocalyptic number.

It is an amenable number.

10221320033 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221320033 is an equidigital number, since it uses as much as digits as its factorization.

10221320033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 10221320033 its reverse (33002312201), we get a palindrome (43223632234).

The spelling of 10221320033 in words is "ten billion, two hundred twenty-one million, three hundred twenty thousand, thirty-three".