201200021093 has 2 divisors, whose sum is σ = 201200021094. Its totient is φ = 201200021092.

The previous prime is 201200021083. The next prime is 201200021119. The reversal of 201200021093 is 390120002102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131132342884 + 70067678209 = 362122^2 + 264703^2 .

It is a cyclic number.

It is not a de Polignac number, because 201200021093 - 2²⁸ = 200931585637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201200021083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100600010546 + 100600010547.

It is an arithmetic number, because the mean of its divisors is an integer number (100600010547).

Almost surely, 2^201200021093 is an apocalyptic number.

It is an amenable number.

201200021093 is a deficient number, since it is larger than the sum of its proper divisors (1).

201200021093 is an equidigital number, since it uses as much as digits as its factorization.

201200021093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 201200021093 its reverse (390120002102), we get a palindrome (591320023195).

The spelling of 201200021093 in words is "two hundred one billion, two hundred million, twenty-one thousand, ninety-three".