222211012110077 has 2 divisors, whose sum is σ = 222211012110078. Its totient is φ = 222211012110076.

The previous prime is 222211012110067. The next prime is 222211012110221. The reversal of 222211012110077 is 770011210112222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 219907723269796 + 2303288840281 = 14829286^2 + 1517659^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222211012110077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222211012110067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111105506055038 + 111105506055039.

It is an arithmetic number, because the mean of its divisors is an integer number (111105506055039).

Almost surely, 2^{222211012110077} is an apocalyptic number.

It is an amenable number.

222211012110077 is a deficient number, since it is larger than the sum of its proper divisors (1).

222211012110077 is an equidigital number, since it uses as much as digits as its factorization.

222211012110077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1568, while the sum is 29.

Adding to 222211012110077 its reverse (770011210112222), we get a palindrome (992222222222299).

The spelling of 222211012110077 in words is "two hundred twenty-two trillion, two hundred eleven billion, twelve million, one hundred ten thousand, seventy-seven".