20212001093 has 2 divisors, whose sum is σ = 20212001094. Its totient is φ = 20212001092.

The previous prime is 20212001077. The next prime is 20212001113. The reversal of 20212001093 is 39010021202.

It is an a-pointer prime, because the next prime (20212001113) can be obtained adding 20212001093 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13806720004 + 6405281089 = 117502^2 + 80033^2 .

It is a cyclic number.

It is not a de Polignac number, because 20212001093 - 2⁴ = 20212001077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20212001003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106000546 + 10106000547.

It is an arithmetic number, because the mean of its divisors is an integer number (10106000547).

Almost surely, 2^20212001093 is an apocalyptic number.

It is an amenable number.

20212001093 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212001093 is an equidigital number, since it uses as much as digits as its factorization.

20212001093 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 20212001093 its reverse (39010021202), we get a palindrome (59222022295).

The spelling of 20212001093 in words is "twenty billion, two hundred twelve million, one thousand, ninety-three".