200221212100097 has 2 divisors, whose sum is σ = 200221212100098. Its totient is φ = 200221212100096.

The previous prime is 200221212100073. The next prime is 200221212100103. The reversal of 200221212100097 is 790001212122002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 193695108318721 + 6526103781376 = 13917439^2 + 2554624^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200221212100097 is a prime.

It is not a weakly prime, because it can be changed into another prime (200221212100027) 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, 100110606050048 + 100110606050049.

It is an arithmetic number, because the mean of its divisors is an integer number (100110606050049).

Almost surely, 2^{200221212100097} is an apocalyptic number.

It is an amenable number.

200221212100097 is a deficient number, since it is larger than the sum of its proper divisors (1).

200221212100097 is an equidigital number, since it uses as much as digits as its factorization.

200221212100097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

Adding to 200221212100097 its reverse (790001212122002), we get a palindrome (990222424222099).

The spelling of 200221212100097 in words is "two hundred trillion, two hundred twenty-one billion, two hundred twelve million, one hundred thousand, ninety-seven".