103010310210221 has 2 divisors, whose sum is σ = 103010310210222. Its totient is φ = 103010310210220.

The previous prime is 103010310210217. The next prime is 103010310210373. The reversal of 103010310210221 is 122012013010301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102013757234596 + 996552975625 = 10100186^2 + 998275^2 .

It is a cyclic number.

It is not a de Polignac number, because 103010310210221 - 2² = 103010310210217 is a prime.

It is a super-2 number, since 2×103010310210221² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 103010310210221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103010310210421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51505155105110 + 51505155105111.

It is an arithmetic number, because the mean of its divisors is an integer number (51505155105111).

Almost surely, 2^{103010310210221} is an apocalyptic number.

It is an amenable number.

103010310210221 is a deficient number, since it is larger than the sum of its proper divisors (1).

103010310210221 is an equidigital number, since it uses as much as digits as its factorization.

103010310210221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 103010310210221 its reverse (122012013010301), we get a palindrome (225022323220522).

The spelling of 103010310210221 in words is "one hundred three trillion, ten billion, three hundred ten million, two hundred ten thousand, two hundred twenty-one".