50512221111 has 8 divisors (see below), whose sum is σ = 73472321664. Its totient is φ = 30613467320.

The previous prime is 50512221061. The next prime is 50512221163. The reversal of 50512221111 is 11112221505.

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

It is a cyclic number.

It is not a de Polignac number, because 50512221111 - 2⁶ = 50512221047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50512231111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765336651 + ... + 765336716.

It is an arithmetic number, because the mean of its divisors is an integer number (9184040208).

Almost surely, 2^50512221111 is an apocalyptic number.

50512221111 is a deficient number, since it is larger than the sum of its proper divisors (22960100553).

50512221111 is a wasteful number, since it uses less digits than its factorization.

50512221111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1530673381.

The product of its (nonzero) digits is 200, while the sum is 21.

Adding to 50512221111 its reverse (11112221505), we get a palindrome (61624442616).

The spelling of 50512221111 in words is "fifty billion, five hundred twelve million, two hundred twenty-one thousand, one hundred eleven".