103012221313321 has 2 divisors, whose sum is σ = 103012221313322. Its totient is φ = 103012221313320.

The previous prime is 103012221313319. The next prime is 103012221313373. The reversal of 103012221313321 is 123313122210301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92632155193600 + 10380066119721 = 9624560^2 + 3221811^2 .

It is a cyclic number.

It is not a de Polignac number, because 103012221313321 - 2¹ = 103012221313319 is a prime.

It is a super-2 number, since 2×103012221313321² (a number of 29 digits) contains 22 as substring.

Together with 103012221313319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (103012221313021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51506110656660 + 51506110656661.

It is an arithmetic number, because the mean of its divisors is an integer number (51506110656661).

Almost surely, 2^{103012221313321} is an apocalyptic number.

It is an amenable number.

103012221313321 is a deficient number, since it is larger than the sum of its proper divisors (1).

103012221313321 is an equidigital number, since it uses as much as digits as its factorization.

103012221313321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 103012221313321 its reverse (123313122210301), we get a palindrome (226325343523622).

The spelling of 103012221313321 in words is "one hundred three trillion, twelve billion, two hundred twenty-one million, three hundred thirteen thousand, three hundred twenty-one".