50111002222161 has 8 divisors (see below), whose sum is σ = 66814729185120. Its totient is φ = 33407305036992.

The previous prime is 50111002222157. The next prime is 50111002222163. The reversal of 50111002222161 is 16122220011105.

It is a happy number.

50111002222161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50111002222161 - 2² = 50111002222157 is a prime.

It is a super-2 number, since 2×50111002222161² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50111002222163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3166680 + ... + 10499993.

It is an arithmetic number, because the mean of its divisors is an integer number (8351841148140).

Almost surely, 2^{50111002222161} is an apocalyptic number.

It is an amenable number.

50111002222161 is a deficient number, since it is larger than the sum of its proper divisors (16703726962959).

50111002222161 is a wasteful number, since it uses less digits than its factorization.

50111002222161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14888895.

The product of its (nonzero) digits is 480, while the sum is 24.

Adding to 50111002222161 its reverse (16122220011105), we get a palindrome (66233222233266).

The spelling of 50111002222161 in words is "fifty trillion, one hundred eleven billion, two million, two hundred twenty-two thousand, one hundred sixty-one".