2000122020101 has 4 divisors (see below), whose sum is σ = 2000722841100. Its totient is φ = 1999521199104.

The previous prime is 2000122020077. The next prime is 2000122020151. The reversal of 2000122020101 is 1010202210002.

It is a happy number.

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 999870004225 + 1000252015876 = 999935^2 + 1000126^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000122020101 - 2²⁶ = 2000054911237 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 (2000122020151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300405506 + ... + 300412163.

It is an arithmetic number, because the mean of its divisors is an integer number (500180710275).

Almost surely, 2^{2000122020101} is an apocalyptic number.

It is an amenable number.

2000122020101 is a deficient number, since it is larger than the sum of its proper divisors (600820999).

2000122020101 is an equidigital number, since it uses as much as digits as its factorization.

2000122020101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600820998.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 2000122020101 its reverse (1010202210002), we get a palindrome (3010324230103).

The spelling of 2000122020101 in words is "two trillion, one hundred twenty-two million, twenty thousand, one hundred one".