10121210000501 has 2 divisors, whose sum is σ = 10121210000502. Its totient is φ = 10121210000500.

The previous prime is 10121210000497. The next prime is 10121210000519. The reversal of 10121210000501 is 10500001212101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5688458732401 + 4432751268100 = 2385049^2 + 2105410^2 .

It is a cyclic number.

It is not a de Polignac number, because 10121210000501 - 2² = 10121210000497 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10121210060501) 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, 5060605000250 + 5060605000251.

It is an arithmetic number, because the mean of its divisors is an integer number (5060605000251).

Almost surely, 2^{10121210000501} is an apocalyptic number.

It is an amenable number.

10121210000501 is a deficient number, since it is larger than the sum of its proper divisors (1).

10121210000501 is an equidigital number, since it uses as much as digits as its factorization.

10121210000501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20, while the sum is 14.

Adding to 10121210000501 its reverse (10500001212101), we get a palindrome (20621211212602).

The spelling of 10121210000501 in words is "ten trillion, one hundred twenty-one billion, two hundred ten million, five hundred one", and thus it is an aban number.