2112322481 has 2 divisors, whose sum is σ = 2112322482. Its totient is φ = 2112322480.

The previous prime is 2112322463. The next prime is 2112322483. The reversal of 2112322481 is 1842232112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2110024225 + 2298256 = 45935^2 + 1516^2 .

It is a cyclic number.

It is not a de Polignac number, because 2112322481 - 2¹⁰ = 2112321457 is a prime.

It is a super-2 number, since 2×2112322481² = 8923812527475990722, which contains 22 as substring.

Together with 2112322483, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2112322481.

It is not a weakly prime, because it can be changed into another prime (2112322483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056161240 + 1056161241.

It is an arithmetic number, because the mean of its divisors is an integer number (1056161241).

Almost surely, 2^2112322481 is an apocalyptic number.

It is an amenable number.

2112322481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112322481 is an equidigital number, since it uses as much as digits as its factorization.

2112322481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1536, while the sum is 26.

The square root of 2112322481 is about 45960.0095844202. The cubic root of 2112322481 is about 1283.0790297406.

Adding to 2112322481 its reverse (1842232112), we get a palindrome (3954554593).

The spelling of 2112322481 in words is "two billion, one hundred twelve million, three hundred twenty-two thousand, four hundred eighty-one".