103221941 has 2 divisors, whose sum is σ = 103221942. Its totient is φ = 103221940.

The previous prime is 103221929. The next prime is 103221967. The reversal of 103221941 is 149122301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102111025 + 1110916 = 10105^2 + 1054^2 .

It is an emirp because it is prime and its reverse (149122301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103221941 - 2¹⁸ = 102959797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103221901) 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, 51610970 + 51610971.

It is an arithmetic number, because the mean of its divisors is an integer number (51610971).

Almost surely, 2^103221941 is an apocalyptic number.

It is an amenable number.

103221941 is a deficient number, since it is larger than the sum of its proper divisors (1).

103221941 is an equidigital number, since it uses as much as digits as its factorization.

103221941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 103221941 is about 10159.8199295066. The cubic root of 103221941 is about 469.0912590284.

The spelling of 103221941 in words is "one hundred three million, two hundred twenty-one thousand, nine hundred forty-one".