103210134421 has 2 divisors, whose sum is σ = 103210134422. Its totient is φ = 103210134420.

The previous prime is 103210134413. The next prime is 103210134449. The reversal of 103210134421 is 124431012301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100153260900 + 3056873521 = 316470^2 + 55289^2 .

It is an emirp because it is prime and its reverse (124431012301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103210134421 - 2³ = 103210134413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103210134392 and 103210134401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103210134481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51605067210 + 51605067211.

It is an arithmetic number, because the mean of its divisors is an integer number (51605067211).

Almost surely, 2^103210134421 is an apocalyptic number.

It is an amenable number.

103210134421 is a deficient number, since it is larger than the sum of its proper divisors (1).

103210134421 is an equidigital number, since it uses as much as digits as its factorization.

103210134421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 103210134421 its reverse (124431012301), we get a palindrome (227641146722).

The spelling of 103210134421 in words is "one hundred three billion, two hundred ten million, one hundred thirty-four thousand, four hundred twenty-one".