103230210121 has 2 divisors, whose sum is σ = 103230210122. Its totient is φ = 103230210120.

The previous prime is 103230210119. The next prime is 103230210131. The reversal of 103230210121 is 121012032301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 88875534400 + 14354675721 = 298120^2 + 119811^2 .

It is an emirp because it is prime and its reverse (121012032301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103230210121 - 2¹ = 103230210119 is a prime.

Together with 103230210119, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 103230210095 and 103230210104.

It is not a weakly prime, because it can be changed into another prime (103230210131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51615105060 + 51615105061.

It is an arithmetic number, because the mean of its divisors is an integer number (51615105061).

Almost surely, 2^103230210121 is an apocalyptic number.

It is an amenable number.

103230210121 is a deficient number, since it is larger than the sum of its proper divisors (1).

103230210121 is an equidigital number, since it uses as much as digits as its factorization.

103230210121 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 16.

Adding to 103230210121 its reverse (121012032301), we get a palindrome (224242242422).

The spelling of 103230210121 in words is "one hundred three billion, two hundred thirty million, two hundred ten thousand, one hundred twenty-one".