50111322201 has 6 divisors (see below), whose sum is σ = 72383020970. Its totient is φ = 33407548128.

The previous prime is 50111322199. The next prime is 50111322227. The reversal of 50111322201 is 10222311105.

It can be written as a sum of positive squares in only one way, i.e., 45871358976 + 4239963225 = 214176^2 + 65115^2 .

It is not a de Polignac number, because 50111322201 - 2¹ = 50111322199 is a prime.

It is a super-2 number, since 2×50111322201² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50111322101) 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 in 5 ways as a sum of consecutive naturals, for example, 2783962336 + ... + 2783962353.

Almost surely, 2^50111322201 is an apocalyptic number.

It is an amenable number.

50111322201 is a deficient number, since it is larger than the sum of its proper divisors (22271698769).

50111322201 is a wasteful number, since it uses less digits than its factorization.

50111322201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5567924695 (or 5567924692 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 50111322201 its reverse (10222311105), we get a palindrome (60333633306).

The spelling of 50111322201 in words is "fifty billion, one hundred eleven million, three hundred twenty-two thousand, two hundred one".