1003310202121 has 2 divisors, whose sum is σ = 1003310202122. Its totient is φ = 1003310202120.

The previous prime is 1003310202067. The next prime is 1003310202137. The reversal of 1003310202121 is 1212020133001.

It is an a-pointer prime, because the next prime (1003310202137) can be obtained adding 1003310202121 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 944416619721 + 58893582400 = 971811^2 + 242680^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003310202121 - 2¹¹ = 1003310200073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1003310202095 and 1003310202104.

It is not a weakly prime, because it can be changed into another prime (1003310202151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501655101060 + 501655101061.

It is an arithmetic number, because the mean of its divisors is an integer number (501655101061).

Almost surely, 2^{1003310202121} is an apocalyptic number.

It is an amenable number.

1003310202121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003310202121 is an equidigital number, since it uses as much as digits as its factorization.

1003310202121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1003310202121 its reverse (1212020133001), we get a palindrome (2215330335122).

The spelling of 1003310202121 in words is "one trillion, three billion, three hundred ten million, two hundred two thousand, one hundred twenty-one".