103221337 has 2 divisors, whose sum is σ = 103221338. Its totient is φ = 103221336.

The previous prime is 103221329. The next prime is 103221341. The reversal of 103221337 is 733122301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55666521 + 47554816 = 7461^2 + 6896^2 .

It is a cyclic number.

It is not a de Polignac number, because 103221337 - 2³ = 103221329 is a prime.

It is not a weakly prime, because it can be changed into another prime (103222337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51610668 + 51610669.

It is an arithmetic number, because the mean of its divisors is an integer number (51610669).

Almost surely, 2^103221337 is an apocalyptic number.

It is an amenable number.

103221337 is a deficient number, since it is larger than the sum of its proper divisors (1).

103221337 is an equidigital number, since it uses as much as digits as its factorization.

103221337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 103221337 is about 10159.7902045269. The cubic root of 103221337 is about 469.0903440690.

Adding to 103221337 its reverse (733122301), we get a palindrome (836343638).

The spelling of 103221337 in words is "one hundred three million, two hundred twenty-one thousand, three hundred thirty-seven".