10101210020101 has 4 divisors (see below), whose sum is σ = 10101317381100. Its totient is φ = 10101102659104.

The previous prime is 10101210020051. The next prime is 10101210020117. The reversal of 10101210020101 is 10102001210101.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7072270071876 + 3028939948225 = 2659374^2 + 1740385^2 .

It is a cyclic number.

It is not a de Polignac number, because 10101210020101 - 2²⁵ = 10101176465669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10101210020191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53539246 + ... + 53727583.

It is an arithmetic number, because the mean of its divisors is an integer number (2525329345275).

Almost surely, 2^{10101210020101} is an apocalyptic number.

It is an amenable number.

10101210020101 is a deficient number, since it is larger than the sum of its proper divisors (107360999).

10101210020101 is an equidigital number, since it uses as much as digits as its factorization.

10101210020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107360998.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 10101210020101 its reverse (10102001210101), we get a palindrome (20203211230202).

The spelling of 10101210020101 in words is "ten trillion, one hundred one billion, two hundred ten million, twenty thousand, one hundred one".