12210000020101 has 6 divisors (see below), whose sum is σ = 13221479311890. Its totient is φ = 11270769249168.

The previous prime is 12210000020039. The next prime is 12210000020111. The reversal of 12210000020101 is 10102000001221.

12210000020101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 207274415076 + 12002725605025 = 455274^2 + 3464495^2 .

It is not a de Polignac number, because 12210000020101 - 2⁹ = 12210000019589 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 (12210000020111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36124260246 + ... + 36124260583.

It is an arithmetic number, because the mean of its divisors is an integer number (2203579885315).

Almost surely, 2^{12210000020101} is an apocalyptic number.

It is an amenable number.

12210000020101 is a deficient number, since it is larger than the sum of its proper divisors (1011479291789).

12210000020101 is an equidigital number, since it uses as much as digits as its factorization.

12210000020101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72248520855 (or 72248520842 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 12210000020101 its reverse (10102000001221), we get a palindrome (22312000021322).

The spelling of 12210000020101 in words is "twelve trillion, two hundred ten billion, twenty thousand, one hundred one".