2000120122201 has 2 divisors, whose sum is σ = 2000120122202. Its totient is φ = 2000120122200.

The previous prime is 2000120122199. The next prime is 2000120122211. The reversal of 2000120122201 is 1022210210002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1492783022025 + 507337100176 = 1221795^2 + 712276^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000120122201 - 2¹ = 2000120122199 is a prime.

Together with 2000120122199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2000120122211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000060061100 + 1000060061101.

It is an arithmetic number, because the mean of its divisors is an integer number (1000060061101).

Almost surely, 2^{2000120122201} is an apocalyptic number.

It is an amenable number.

2000120122201 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000120122201 is an equidigital number, since it uses as much as digits as its factorization.

2000120122201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2000120122201 its reverse (1022210210002), we get a palindrome (3022330332203).

The spelling of 2000120122201 in words is "two trillion, one hundred twenty million, one hundred twenty-two thousand, two hundred one".