201210021200093 has 2 divisors, whose sum is σ = 201210021200094. Its totient is φ = 201210021200092.

The previous prime is 201210021199963. The next prime is 201210021200113. The reversal of 201210021200093 is 390002120012102.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181403266771609 + 19806754428484 = 13468603^2 + 4450478^2 .

It is a cyclic number.

It is not a de Polignac number, because 201210021200093 - 2³⁰ = 201208947458269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201210021200593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100605010600046 + 100605010600047.

It is an arithmetic number, because the mean of its divisors is an integer number (100605010600047).

Almost surely, 2^{201210021200093} is an apocalyptic number.

It is an amenable number.

201210021200093 is a deficient number, since it is larger than the sum of its proper divisors (1).

201210021200093 is an equidigital number, since it uses as much as digits as its factorization.

201210021200093 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 201210021200093 its reverse (390002120012102), we get a palindrome (591212141212195).

The spelling of 201210021200093 in words is "two hundred one trillion, two hundred ten billion, twenty-one million, two hundred thousand, ninety-three".