1122212120077 has 2 divisors, whose sum is σ = 1122212120078. Its totient is φ = 1122212120076.

The previous prime is 1122212120059. The next prime is 1122212120129. The reversal of 1122212120077 is 7700212122211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 789220801161 + 332991318916 = 888381^2 + 577054^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1122212120077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1122212120047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 561106060038 + 561106060039.

It is an arithmetic number, because the mean of its divisors is an integer number (561106060039).

Almost surely, 2^{1122212120077} is an apocalyptic number.

It is an amenable number.

1122212120077 is a deficient number, since it is larger than the sum of its proper divisors (1).

1122212120077 is an equidigital number, since it uses as much as digits as its factorization.

1122212120077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 28.

Adding to 1122212120077 its reverse (7700212122211), we get a palindrome (8822424242288).

The spelling of 1122212120077 in words is "one trillion, one hundred twenty-two billion, two hundred twelve million, one hundred twenty thousand, seventy-seven".