10291221067 has 2 divisors, whose sum is σ = 10291221068. Its totient is φ = 10291221066.

The previous prime is 10291221053. The next prime is 10291221163. The reversal of 10291221067 is 76012219201.

10291221067 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10291221067 is a prime.

It is not a weakly prime, because it can be changed into another prime (10291221037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5145610533 + 5145610534.

It is an arithmetic number, because the mean of its divisors is an integer number (5145610534).

Almost surely, 2^10291221067 is an apocalyptic number.

10291221067 is a deficient number, since it is larger than the sum of its proper divisors (1).

10291221067 is an equidigital number, since it uses as much as digits as its factorization.

10291221067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 10291221067 in words is "ten billion, two hundred ninety-one million, two hundred twenty-one thousand, sixty-seven".