545411222101 has 2 divisors, whose sum is σ = 545411222102. Its totient is φ = 545411222100.

The previous prime is 545411222023. The next prime is 545411222171. The reversal of 545411222101 is 101222114545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 418154929201 + 127256292900 = 646649^2 + 356730^2 .

It is a cyclic number.

It is not a de Polignac number, because 545411222101 - 2⁷ = 545411221973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 545411222101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545411222171) 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, 272705611050 + 272705611051.

It is an arithmetic number, because the mean of its divisors is an integer number (272705611051).

Almost surely, 2^545411222101 is an apocalyptic number.

It is an amenable number.

545411222101 is a deficient number, since it is larger than the sum of its proper divisors (1).

545411222101 is an equidigital number, since it uses as much as digits as its factorization.

545411222101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3200, while the sum is 28.

Adding to 545411222101 its reverse (101222114545), we get a palindrome (646633336646).

The spelling of 545411222101 in words is "five hundred forty-five billion, four hundred eleven million, two hundred twenty-two thousand, one hundred one".