10403103303221 has 2 divisors, whose sum is σ = 10403103303222. Its totient is φ = 10403103303220.

The previous prime is 10403103303149. The next prime is 10403103303287. The reversal of 10403103303221 is 12230330130401.

10403103303221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5208756352900 + 5194346950321 = 2282270^2 + 2279111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10403103303221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10403193303221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5201551651610 + 5201551651611.

It is an arithmetic number, because the mean of its divisors is an integer number (5201551651611).

Almost surely, 2^{10403103303221} is an apocalyptic number.

It is an amenable number.

10403103303221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10403103303221 is an equidigital number, since it uses as much as digits as its factorization.

10403103303221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 10403103303221 its reverse (12230330130401), we get a palindrome (22633433433622).

The spelling of 10403103303221 in words is "ten trillion, four hundred three billion, one hundred three million, three hundred three thousand, two hundred twenty-one".