103404206221 has 2 divisors, whose sum is σ = 103404206222. Its totient is φ = 103404206220.

The previous prime is 103404206209. The next prime is 103404206233. The reversal of 103404206221 is 122602404301.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (103404206209) and next prime (103404206233).

It can be written as a sum of positive squares in only one way, i.e., 80309325321 + 23094880900 = 283389^2 + 151970^2 .

It is a cyclic number.

It is not a de Polignac number, because 103404206221 - 2³¹ = 101256722573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103404206201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51702103110 + 51702103111.

It is an arithmetic number, because the mean of its divisors is an integer number (51702103111).

Almost surely, 2^103404206221 is an apocalyptic number.

It is an amenable number.

103404206221 is a deficient number, since it is larger than the sum of its proper divisors (1).

103404206221 is an equidigital number, since it uses as much as digits as its factorization.

103404206221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 25.

The spelling of 103404206221 in words is "one hundred three billion, four hundred four million, two hundred six thousand, two hundred twenty-one".