11000222221061 has 2 divisors, whose sum is σ = 11000222221062. Its totient is φ = 11000222221060.

The previous prime is 11000222221057. The next prime is 11000222221123. The reversal of 11000222221061 is 16012222200011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6730750508161 + 4269471712900 = 2594369^2 + 2066270^2 .

It is a cyclic number.

It is not a de Polignac number, because 11000222221061 - 2² = 11000222221057 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11000222121061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500111110530 + 5500111110531.

It is an arithmetic number, because the mean of its divisors is an integer number (5500111110531).

Almost surely, 2^{11000222221061} is an apocalyptic number.

It is an amenable number.

11000222221061 is a deficient number, since it is larger than the sum of its proper divisors (1).

11000222221061 is an equidigital number, since it uses as much as digits as its factorization.

11000222221061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 11000222221061 its reverse (16012222200011), we get a palindrome (27012444421072).

The spelling of 11000222221061 in words is "eleven trillion, two hundred twenty-two million, two hundred twenty-one thousand, sixty-one".