200221012209973 has 2 divisors, whose sum is σ = 200221012209974. Its totient is φ = 200221012209972.

The previous prime is 200221012209937. The next prime is 200221012210003. The reversal of 200221012209973 is 379902210122002.

200221012209973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (200221012209937) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153028824912324 + 47192187297649 = 12370482^2 + 6869657^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200221012209973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200221012209173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100110506104986 + 100110506104987.

It is an arithmetic number, because the mean of its divisors is an integer number (100110506104987).

Almost surely, 2^{200221012209973} is an apocalyptic number.

It is an amenable number.

200221012209973 is a deficient number, since it is larger than the sum of its proper divisors (1).

200221012209973 is an equidigital number, since it uses as much as digits as its factorization.

200221012209973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 40.

The spelling of 200221012209973 in words is "two hundred trillion, two hundred twenty-one billion, twelve million, two hundred nine thousand, nine hundred seventy-three".