20212100093 has 2 divisors, whose sum is σ = 20212100094. Its totient is φ = 20212100092.

The previous prime is 20212100063. The next prime is 20212100113. The reversal of 20212100093 is 39000121202.

It is an a-pointer prime, because the next prime (20212100113) can be obtained adding 20212100093 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15505728484 + 4706371609 = 124522^2 + 68603^2 .

It is a cyclic number.

It is not a de Polignac number, because 20212100093 - 2¹⁰ = 20212099069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20212100063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106050046 + 10106050047.

It is an arithmetic number, because the mean of its divisors is an integer number (10106050047).

Almost surely, 2^20212100093 is an apocalyptic number.

It is an amenable number.

20212100093 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212100093 is an equidigital number, since it uses as much as digits as its factorization.

20212100093 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 20212100093 its reverse (39000121202), we get a palindrome (59212221295).

The spelling of 20212100093 in words is "twenty billion, two hundred twelve million, one hundred thousand, ninety-three".