10100121200501 has 2 divisors, whose sum is σ = 10100121200502. Its totient is φ = 10100121200500.

The previous prime is 10100121200489. The next prime is 10100121200537. The reversal of 10100121200501 is 10500212100101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9824024548900 + 276096651601 = 3134330^2 + 525449^2 .

It is a cyclic number.

It is not a de Polignac number, because 10100121200501 - 2¹⁸ = 10100120938357 is a prime.

It is a super-2 number, since 2×10100121200501² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10100121200591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050060600250 + 5050060600251.

It is an arithmetic number, because the mean of its divisors is an integer number (5050060600251).

Almost surely, 2^{10100121200501} is an apocalyptic number.

It is an amenable number.

10100121200501 is a deficient number, since it is larger than the sum of its proper divisors (1).

10100121200501 is an equidigital number, since it uses as much as digits as its factorization.

10100121200501 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 10100121200501 its reverse (10500212100101), we get a palindrome (20600333300602).

The spelling of 10100121200501 in words is "ten trillion, one hundred billion, one hundred twenty-one million, two hundred thousand, five hundred one".