112212211220257 has 2 divisors, whose sum is σ = 112212211220258. Its totient is φ = 112212211220256.

The previous prime is 112212211220191. The next prime is 112212211220269. The reversal of 112212211220257 is 752022112212211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 76983760373521 + 35228450846736 = 8774039^2 + 5935356^2 .

It is a cyclic number.

It is not a de Polignac number, because 112212211220257 - 2³¹ = 112210063736609 is a prime.

It is not a weakly prime, because it can be changed into another prime (112212211220657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56106105610128 + 56106105610129.

It is an arithmetic number, because the mean of its divisors is an integer number (56106105610129).

Almost surely, 2^{112212211220257} is an apocalyptic number.

It is an amenable number.

112212211220257 is a deficient number, since it is larger than the sum of its proper divisors (1).

112212211220257 is an equidigital number, since it uses as much as digits as its factorization.

112212211220257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 31.

Adding to 112212211220257 its reverse (752022112212211), we get a palindrome (864234323432468).

The spelling of 112212211220257 in words is "one hundred twelve trillion, two hundred twelve billion, two hundred eleven million, two hundred twenty thousand, two hundred fifty-seven".