2112220002251 has 2 divisors, whose sum is σ = 2112220002252. Its totient is φ = 2112220002250.

The previous prime is 2112220002209. The next prime is 2112220002253. The reversal of 2112220002251 is 1522000222112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112220002251 is a prime.

It is a super-2 number, since 2×2112220002251² (a number of 25 digits) contains 22 as substring.

Together with 2112220002253, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2112220002253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056110001125 + 1056110001126.

It is an arithmetic number, because the mean of its divisors is an integer number (1056110001126).

Almost surely, 2^{2112220002251} is an apocalyptic number.

2112220002251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112220002251 is an equidigital number, since it uses as much as digits as its factorization.

2112220002251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 2112220002251 its reverse (1522000222112), we get a palindrome (3634220224363).

The spelling of 2112220002251 in words is "two trillion, one hundred twelve billion, two hundred twenty million, two thousand, two hundred fifty-one".