200122021061 has 2 divisors, whose sum is σ = 200122021062. Its totient is φ = 200122021060.

The previous prime is 200122021003. The next prime is 200122021087. The reversal of 200122021061 is 160120221002.

200122021061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199116750625 + 1005270436 = 446225^2 + 31706^2 .

It is a cyclic number.

It is not a de Polignac number, because 200122021061 - 2¹⁰ = 200122020037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200122021261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100061010530 + 100061010531.

It is an arithmetic number, because the mean of its divisors is an integer number (100061010531).

Almost surely, 2^200122021061 is an apocalyptic number.

It is an amenable number.

200122021061 is a deficient number, since it is larger than the sum of its proper divisors (1).

200122021061 is an equidigital number, since it uses as much as digits as its factorization.

200122021061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 200122021061 its reverse (160120221002), we get a palindrome (360242242063).

The spelling of 200122021061 in words is "two hundred billion, one hundred twenty-two million, twenty-one thousand, sixty-one".