103030202221 has 2 divisors, whose sum is σ = 103030202222. Its totient is φ = 103030202220.

The previous prime is 103030202173. The next prime is 103030202243. The reversal of 103030202221 is 122202030301.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101594550121 + 1435652100 = 318739^2 + 37890^2 .

It is a cyclic number.

It is not a de Polignac number, because 103030202221 - 2²³ = 103021813613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103030202195 and 103030202204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103030209221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51515101110 + 51515101111.

It is an arithmetic number, because the mean of its divisors is an integer number (51515101111).

Almost surely, 2^103030202221 is an apocalyptic number.

It is an amenable number.

103030202221 is a deficient number, since it is larger than the sum of its proper divisors (1).

103030202221 is an equidigital number, since it uses as much as digits as its factorization.

103030202221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 103030202221 its reverse (122202030301), we get a palindrome (225232232522).

The spelling of 103030202221 in words is "one hundred three billion, thirty million, two hundred two thousand, two hundred twenty-one".