200221222222129 has 2 divisors, whose sum is σ = 200221222222130. Its totient is φ = 200221222222128.

The previous prime is 200221222222079. The next prime is 200221222222247. The reversal of 200221222222129 is 921222222122002.

200221222222129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 192872433173904 + 7348789048225 = 13887852^2 + 2710865^2 .

It is a cyclic number.

It is not a de Polignac number, because 200221222222129 - 2¹⁹ = 200221221697841 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200221222222129.

It is not a weakly prime, because it can be changed into another prime (200221222222529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100110611111064 + 100110611111065.

It is an arithmetic number, because the mean of its divisors is an integer number (100110611111065).

Almost surely, 2^{200221222222129} is an apocalyptic number.

It is an amenable number.

200221222222129 is a deficient number, since it is larger than the sum of its proper divisors (1).

200221222222129 is an equidigital number, since it uses as much as digits as its factorization.

200221222222129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 200221222222129 in words is "two hundred trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred twenty-two thousand, one hundred twenty-nine".