112212222361 has 2 divisors, whose sum is σ = 112212222362. Its totient is φ = 112212222360.

The previous prime is 112212222359. The next prime is 112212222377. The reversal of 112212222361 is 163222212211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64620182025 + 47592040336 = 254205^2 + 218156^2 .

It is an emirp because it is prime and its reverse (163222212211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112212222361 - 2¹ = 112212222359 is a prime.

Together with 112212222359, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (112212222461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56106111180 + 56106111181.

It is an arithmetic number, because the mean of its divisors is an integer number (56106111181).

Almost surely, 2^112212222361 is an apocalyptic number.

It is an amenable number.

112212222361 is a deficient number, since it is larger than the sum of its proper divisors (1).

112212222361 is an equidigital number, since it uses as much as digits as its factorization.

112212222361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 25.

Adding to 112212222361 its reverse (163222212211), we get a palindrome (275434434572).

The spelling of 112212222361 in words is "one hundred twelve billion, two hundred twelve million, two hundred twenty-two thousand, three hundred sixty-one".