48371722121 has 2 divisors, whose sum is σ = 48371722122. Its totient is φ = 48371722120.

The previous prime is 48371722051. The next prime is 48371722187. The reversal of 48371722121 is 12122717384.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37015836025 + 11355886096 = 192395^2 + 106564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48371722121 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 (48371742121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24185861060 + 24185861061.

It is an arithmetic number, because the mean of its divisors is an integer number (24185861061).

Almost surely, 2^48371722121 is an apocalyptic number.

It is an amenable number.

48371722121 is a deficient number, since it is larger than the sum of its proper divisors (1).

48371722121 is an equidigital number, since it uses as much as digits as its factorization.

48371722121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632, while the sum is 38.

The spelling of 48371722121 in words is "forty-eight billion, three hundred seventy-one million, seven hundred twenty-two thousand, one hundred twenty-one".