2821112293 has 2 divisors, whose sum is σ = 2821112294. Its totient is φ = 2821112292.

The previous prime is 2821112291. The next prime is 2821112321. The reversal of 2821112293 is 3922111282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2143967809 + 677144484 = 46303^2 + 26022^2 .

It is a cyclic number.

It is not a de Polignac number, because 2821112293 - 2¹ = 2821112291 is a prime.

Together with 2821112291, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2821112291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1410556146 + 1410556147.

It is an arithmetic number, because the mean of its divisors is an integer number (1410556147).

Almost surely, 2^2821112293 is an apocalyptic number.

It is an amenable number.

2821112293 is a deficient number, since it is larger than the sum of its proper divisors (1).

2821112293 is an equidigital number, since it uses as much as digits as its factorization.

2821112293 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 31.

The square root of 2821112293 is about 53114.1440013863. The cubic root of 2821112293 is about 1412.9933712640.

It can be divided in two parts, 28211 and 12293, that added together give a palindrome (40504).

The spelling of 2821112293 in words is "two billion, eight hundred twenty-one million, one hundred twelve thousand, two hundred ninety-three".