200121020330093 has 2 divisors, whose sum is σ = 200121020330094. Its totient is φ = 200121020330092.

The previous prime is 200121020330087. The next prime is 200121020330167. The reversal of 200121020330093 is 390033020121002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185178017808169 + 14943002521924 = 13608013^2 + 3865618^2 .

It is a cyclic number.

It is not a de Polignac number, because 200121020330093 - 2³² = 200116725362797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200121020330003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100060510165046 + 100060510165047.

It is an arithmetic number, because the mean of its divisors is an integer number (100060510165047).

Almost surely, 2^{200121020330093} is an apocalyptic number.

It is an amenable number.

200121020330093 is a deficient number, since it is larger than the sum of its proper divisors (1).

200121020330093 is an equidigital number, since it uses as much as digits as its factorization.

200121020330093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 200121020330093 its reverse (390033020121002), we get a palindrome (590154040451095).

The spelling of 200121020330093 in words is "two hundred trillion, one hundred twenty-one billion, twenty million, three hundred thirty thousand, ninety-three".