103221309757 has 2 divisors, whose sum is σ = 103221309758. Its totient is φ = 103221309756.

The previous prime is 103221309743. The next prime is 103221309791. The reversal of 103221309757 is 757903122301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77280664036 + 25940645721 = 277994^2 + 161061^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103221309757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103221309157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51610654878 + 51610654879.

It is an arithmetic number, because the mean of its divisors is an integer number (51610654879).

Almost surely, 2^103221309757 is an apocalyptic number.

It is an amenable number.

103221309757 is a deficient number, since it is larger than the sum of its proper divisors (1).

103221309757 is an equidigital number, since it uses as much as digits as its factorization.

103221309757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 40.

The spelling of 103221309757 in words is "one hundred three billion, two hundred twenty-one million, three hundred nine thousand, seven hundred fifty-seven".