50120111 has 2 divisors, whose sum is σ = 50120112. Its totient is φ = 50120110.

The previous prime is 50120099. The next prime is 50120113. The reversal of 50120111 is 11102105.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50120111 - 2¹⁰ = 50119087 is a prime.

Together with 50120113, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 50120092 and 50120101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50120113) 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, 25060055 + 25060056.

It is an arithmetic number, because the mean of its divisors is an integer number (25060056).

Almost surely, 2^50120111 is an apocalyptic number.

50120111 is a deficient number, since it is larger than the sum of its proper divisors (1).

50120111 is an equidigital number, since it uses as much as digits as its factorization.

50120111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10, while the sum is 11.

The square root of 50120111 is about 7079.5558476503. Note that the first 3 decimals coincide. The cubic root of 50120111 is about 368.6979091026.

Adding to 50120111 its reverse (11102105), we get a palindrome (61222216).

The spelling of 50120111 in words is "fifty million, one hundred twenty thousand, one hundred eleven".