10103221309 has 2 divisors, whose sum is σ = 10103221310. Its totient is φ = 10103221308.

The previous prime is 10103221273. The next prime is 10103221313. The reversal of 10103221309 is 90312230101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6014002500 + 4089218809 = 77550^2 + 63947^2 .

It is a cyclic number.

It is not a de Polignac number, because 10103221309 - 2¹⁷ = 10103090237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10103221309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10103221399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5051610654 + 5051610655.

It is an arithmetic number, because the mean of its divisors is an integer number (5051610655).

Almost surely, 2^10103221309 is an apocalyptic number.

It is an amenable number.

10103221309 is a deficient number, since it is larger than the sum of its proper divisors (1).

10103221309 is an equidigital number, since it uses as much as digits as its factorization.

10103221309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 10103221309 in words is "ten billion, one hundred three million, two hundred twenty-one thousand, three hundred nine".