103302213221 has 2 divisors, whose sum is σ = 103302213222. Its totient is φ = 103302213220.

The previous prime is 103302213197. The next prime is 103302213241. The reversal of 103302213221 is 122312203301.

It is an a-pointer prime, because the next prime (103302213241) can be obtained adding 103302213221 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94012144996 + 9290068225 = 306614^2 + 96385^2 .

It is a cyclic number.

It is not a de Polignac number, because 103302213221 - 2³⁴ = 86122344037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103302213193 and 103302213202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103302213241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51651106610 + 51651106611.

It is an arithmetic number, because the mean of its divisors is an integer number (51651106611).

Almost surely, 2^103302213221 is an apocalyptic number.

It is an amenable number.

103302213221 is a deficient number, since it is larger than the sum of its proper divisors (1).

103302213221 is an equidigital number, since it uses as much as digits as its factorization.

103302213221 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 20.

Adding to 103302213221 its reverse (122312203301), we get a palindrome (225614416522).

The spelling of 103302213221 in words is "one hundred three billion, three hundred two million, two hundred thirteen thousand, two hundred twenty-one".