103562201521 has 2 divisors, whose sum is σ = 103562201522. Its totient is φ = 103562201520.

The previous prime is 103562201507. The next prime is 103562201539. The reversal of 103562201521 is 125102265301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99061267600 + 4500933921 = 314740^2 + 67089^2 .

It is a cyclic number.

It is not a de Polignac number, because 103562201521 - 2¹¹ = 103562199473 is a prime.

It is a super-3 number, since 3×103562201521³ (a number of 34 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 103562201521.

It is not a weakly prime, because it can be changed into another prime (103562201581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51781100760 + 51781100761.

It is an arithmetic number, because the mean of its divisors is an integer number (51781100761).

Almost surely, 2^103562201521 is an apocalyptic number.

It is an amenable number.

103562201521 is a deficient number, since it is larger than the sum of its proper divisors (1).

103562201521 is an equidigital number, since it uses as much as digits as its factorization.

103562201521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 103562201521 its reverse (125102265301), we get a palindrome (228664466822).

The spelling of 103562201521 in words is "one hundred three billion, five hundred sixty-two million, two hundred one thousand, five hundred twenty-one".