44071228121 has 2 divisors, whose sum is σ = 44071228122. Its totient is φ = 44071228120.

The previous prime is 44071228031. The next prime is 44071228127. The reversal of 44071228121 is 12182217044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39880090000 + 4191138121 = 199700^2 + 64739^2 .

It is a cyclic number.

It is not a de Polignac number, because 44071228121 - 2²² = 44067033817 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (44071228127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22035614060 + 22035614061.

It is an arithmetic number, because the mean of its divisors is an integer number (22035614061).

Almost surely, 2^44071228121 is an apocalyptic number.

It is an amenable number.

44071228121 is a deficient number, since it is larger than the sum of its proper divisors (1).

44071228121 is an equidigital number, since it uses as much as digits as its factorization.

44071228121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7168, while the sum is 32.

The spelling of 44071228121 in words is "forty-four billion, seventy-one million, two hundred twenty-eight thousand, one hundred twenty-one".