200221012129 has 2 divisors, whose sum is σ = 200221012130. Its totient is φ = 200221012128.

The previous prime is 200221012093. The next prime is 200221012139. The reversal of 200221012129 is 921210122002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 101775674529 + 98445337600 = 319023^2 + 313760^2 .

It is a cyclic number.

It is not a de Polignac number, because 200221012129 - 2⁷ = 200221012001 is a prime.

It is a super-2 number, since 2×200221012129² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200221012139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100110506064 + 100110506065.

It is an arithmetic number, because the mean of its divisors is an integer number (100110506065).

Almost surely, 2^200221012129 is an apocalyptic number.

It is an amenable number.

200221012129 is a deficient number, since it is larger than the sum of its proper divisors (1).

200221012129 is an equidigital number, since it uses as much as digits as its factorization.

200221012129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 200221012129 in words is "two hundred billion, two hundred twenty-one million, twelve thousand, one hundred twenty-nine".