1003230110221 has 2 divisors, whose sum is σ = 1003230110222. Its totient is φ = 1003230110220.

The previous prime is 1003230110219. The next prime is 1003230110261. The reversal of 1003230110221 is 1220110323001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 543152786121 + 460077324100 = 736989^2 + 678290^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003230110221 - 2¹ = 1003230110219 is a prime.

Together with 1003230110219, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1003230110195 and 1003230110204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1003230110261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501615055110 + 501615055111.

It is an arithmetic number, because the mean of its divisors is an integer number (501615055111).

Almost surely, 2^{1003230110221} is an apocalyptic number.

It is an amenable number.

1003230110221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1003230110221 is an equidigital number, since it uses as much as digits as its factorization.

1003230110221 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 1003230110221 its reverse (1220110323001), we get a palindrome (2223340433222).

The spelling of 1003230110221 in words is "one trillion, three billion, two hundred thirty million, one hundred ten thousand, two hundred twenty-one".