11201001221077 has 2 divisors, whose sum is σ = 11201001221078. Its totient is φ = 11201001221076.

The previous prime is 11201001221071. The next prime is 11201001221131. The reversal of 11201001221077 is 77012210010211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10896693428196 + 304307792881 = 3301014^2 + 551641^2 .

It is a cyclic number.

It is not a de Polignac number, because 11201001221077 - 2¹⁵ = 11201001188309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11201001221071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5600500610538 + 5600500610539.

It is an arithmetic number, because the mean of its divisors is an integer number (5600500610539).

Almost surely, 2^{11201001221077} is an apocalyptic number.

It is an amenable number.

11201001221077 is a deficient number, since it is larger than the sum of its proper divisors (1).

11201001221077 is an equidigital number, since it uses as much as digits as its factorization.

11201001221077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 392, while the sum is 25.

Adding to 11201001221077 its reverse (77012210010211), we get a palindrome (88213211231288).

The spelling of 11201001221077 in words is "eleven trillion, two hundred one billion, one million, two hundred twenty-one thousand, seventy-seven".