201021210200093 has 2 divisors, whose sum is σ = 201021210200094. Its totient is φ = 201021210200092.

The previous prime is 201021210200077. The next prime is 201021210200171. The reversal of 201021210200093 is 390002012120102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171661696492729 + 29359513707364 = 13101973^2 + 5418442^2 .

It is a cyclic number.

It is not a de Polignac number, because 201021210200093 - 2⁴ = 201021210200077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201021210200593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100510605100046 + 100510605100047.

It is an arithmetic number, because the mean of its divisors is an integer number (100510605100047).

Almost surely, 2^{201021210200093} is an apocalyptic number.

It is an amenable number.

201021210200093 is a deficient number, since it is larger than the sum of its proper divisors (1).

201021210200093 is an equidigital number, since it uses as much as digits as its factorization.

201021210200093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 201021210200093 its reverse (390002012120102), we get a palindrome (591023222320195).

The spelling of 201021210200093 in words is "two hundred one trillion, twenty-one billion, two hundred ten million, two hundred thousand, ninety-three".