103113422043521 has 2 divisors, whose sum is σ = 103113422043522. Its totient is φ = 103113422043520.

The previous prime is 103113422043377. The next prime is 103113422043539. The reversal of 103113422043521 is 125340224311301.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78796885851121 + 24316536192400 = 8876761^2 + 4931180^2 .

It is a cyclic number.

It is not a de Polignac number, because 103113422043521 - 2²⁶ = 103113354934657 is a prime.

It is not a weakly prime, because it can be changed into another prime (103113422063521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51556711021760 + 51556711021761.

It is an arithmetic number, because the mean of its divisors is an integer number (51556711021761).

Almost surely, 2^{103113422043521} is an apocalyptic number.

It is an amenable number.

103113422043521 is a deficient number, since it is larger than the sum of its proper divisors (1).

103113422043521 is an equidigital number, since it uses as much as digits as its factorization.

103113422043521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 103113422043521 its reverse (125340224311301), we get a palindrome (228453646354822).

The spelling of 103113422043521 in words is "one hundred three trillion, one hundred thirteen billion, four hundred twenty-two million, forty-three thousand, five hundred twenty-one".