105221299 has 2 divisors, whose sum is σ = 105221300. Its totient is φ = 105221298.

The previous prime is 105221287. The next prime is 105221317. The reversal of 105221299 is 992122501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105221299 - 2¹¹ = 105219251 is a prime.

It is a super-2 number, since 2×105221299² = 22143043526494802, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 105221299.

It is not a weakly prime, because it can be changed into another prime (105221209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52610649 + 52610650.

It is an arithmetic number, because the mean of its divisors is an integer number (52610650).

Almost surely, 2^105221299 is an apocalyptic number.

105221299 is a deficient number, since it is larger than the sum of its proper divisors (1).

105221299 is an equidigital number, since it uses as much as digits as its factorization.

105221299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 105221299 is about 10257.7433678173. The cubic root of 105221299 is about 472.1006006840.

The spelling of 105221299 in words is "one hundred five million, two hundred twenty-one thousand, two hundred ninety-nine".