50122222109 has 2 divisors, whose sum is σ = 50122222110. Its totient is φ = 50122222108.

The previous prime is 50122222103. The next prime is 50122222133. The reversal of 50122222109 is 90122222105.

50122222109 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35373334084 + 14748888025 = 188078^2 + 121445^2 .

It is a cyclic number.

It is not a de Polignac number, because 50122222109 - 2²⁰ = 50121173533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50122222103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25061111054 + 25061111055.

It is an arithmetic number, because the mean of its divisors is an integer number (25061111055).

Almost surely, 2^50122222109 is an apocalyptic number.

It is an amenable number.

50122222109 is a deficient number, since it is larger than the sum of its proper divisors (1).

50122222109 is an equidigital number, since it uses as much as digits as its factorization.

50122222109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 50122222109 in words is "fifty billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred nine".