10101000121001 has 2 divisors, whose sum is σ = 10101000121002. Its totient is φ = 10101000121000.

The previous prime is 10101000120859. The next prime is 10101000121007. The reversal of 10101000121001 is 10012100010101.

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., 7318642679401 + 2782357441600 = 2705299^2 + 1668040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10101000121001 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10101000121001.

It is not a weakly prime, because it can be changed into another prime (10101000121007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050500060500 + 5050500060501.

It is an arithmetic number, because the mean of its divisors is an integer number (5050500060501).

Almost surely, 2^{10101000121001} is an apocalyptic number.

It is an amenable number.

10101000121001 is a deficient number, since it is larger than the sum of its proper divisors (1).

10101000121001 is an equidigital number, since it uses as much as digits as its factorization.

10101000121001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 10101000121001 its reverse (10012100010101), we get a palindrome (20113100131102).

The spelling of 10101000121001 in words is "ten trillion, one hundred one billion, one hundred twenty-one thousand, one".