11122111322977 has 2 divisors, whose sum is σ = 11122111322978. Its totient is φ = 11122111322976.

The previous prime is 11122111322953. The next prime is 11122111323047. The reversal of 11122111322977 is 77922311122111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11092569963601 + 29541359376 = 3330551^2 + 171876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11122111322977 is a prime.

It is not a weakly prime, because it can be changed into another prime (11122111322947) 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, 5561055661488 + 5561055661489.

It is an arithmetic number, because the mean of its divisors is an integer number (5561055661489).

Almost surely, 2^{11122111322977} is an apocalyptic number.

It is an amenable number.

11122111322977 is a deficient number, since it is larger than the sum of its proper divisors (1).

11122111322977 is an equidigital number, since it uses as much as digits as its factorization.

11122111322977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21168, while the sum is 40.

The spelling of 11122111322977 in words is "eleven trillion, one hundred twenty-two billion, one hundred eleven million, three hundred twenty-two thousand, nine hundred seventy-seven".