10221331331 has 2 divisors, whose sum is σ = 10221331332. Its totient is φ = 10221331330.

The previous prime is 10221331321. The next prime is 10221331357. The reversal of 10221331331 is 13313312201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10221331331 - 2²⁶ = 10154222467 is a prime.

It is a super-2 number, since 2×10221331331² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10221331321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5110665665 + 5110665666.

It is an arithmetic number, because the mean of its divisors is an integer number (5110665666).

Almost surely, 2^10221331331 is an apocalyptic number.

10221331331 is a deficient number, since it is larger than the sum of its proper divisors (1).

10221331331 is an equidigital number, since it uses as much as digits as its factorization.

10221331331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 10221331331 its reverse (13313312201), we get a palindrome (23534643532).

The spelling of 10221331331 in words is "ten billion, two hundred twenty-one million, three hundred thirty-one thousand, three hundred thirty-one".