103401024521 has 2 divisors, whose sum is σ = 103401024522. Its totient is φ = 103401024520.

The previous prime is 103401024511. The next prime is 103401024533. The reversal of 103401024521 is 125420104301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79950390025 + 23450634496 = 282755^2 + 153136^2 .

It is an emirp because it is prime and its reverse (125420104301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 103401024521 - 2³⁴ = 86221155337 is a prime.

It is not a weakly prime, because it can be changed into another prime (103401024511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51700512260 + 51700512261.

It is an arithmetic number, because the mean of its divisors is an integer number (51700512261).

Almost surely, 2^103401024521 is an apocalyptic number.

It is an amenable number.

103401024521 is a deficient number, since it is larger than the sum of its proper divisors (1).

103401024521 is an equidigital number, since it uses as much as digits as its factorization.

103401024521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 103401024521 its reverse (125420104301), we get a palindrome (228821128822).

The spelling of 103401024521 in words is "one hundred three billion, four hundred one million, twenty-four thousand, five hundred twenty-one".