2000120201021 has 2 divisors, whose sum is σ = 2000120201022. Its totient is φ = 2000120201020.

The previous prime is 2000120201011. The next prime is 2000120201029. The reversal of 2000120201021 is 1201020210002.

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., 1776585088996 + 223535112025 = 1332886^2 + 472795^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000120201021 - 2²⁶ = 2000053092157 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2000120200993 and 2000120201011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2000120201029) 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 as a sum of consecutive naturals, namely, 1000060100510 + 1000060100511.

It is an arithmetic number, because the mean of its divisors is an integer number (1000060100511).

Almost surely, 2^{2000120201021} is an apocalyptic number.

It is an amenable number.

2000120201021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000120201021 is an equidigital number, since it uses as much as digits as its factorization.

2000120201021 is an odious number, because the sum of its binary digits is odd.

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

Adding to 2000120201021 its reverse (1201020210002), we get a palindrome (3201140411023).

The spelling of 2000120201021 in words is "two trillion, one hundred twenty million, two hundred one thousand, twenty-one".