50221231011 has 64 divisors (see below), whose sum is σ = 86043479040. Its totient is φ = 28357171200.

The previous prime is 50221231007. The next prime is 50221231019. The reversal of 50221231011 is 11013212205.

It is not a de Polignac number, because 50221231011 - 2² = 50221231007 is a prime.

It is a super-3 number, since 3×50221231011³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (50221231019) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10744771 + ... + 10749443.

It is an arithmetic number, because the mean of its divisors is an integer number (1344429360).

Almost surely, 2^50221231011 is an apocalyptic number.

50221231011 is a deficient number, since it is larger than the sum of its proper divisors (35822248029).

50221231011 is a wasteful number, since it uses less digits than its factorization.

50221231011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5353 (or 5347 counting only the distinct ones).

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

Adding to 50221231011 its reverse (11013212205), we get a palindrome (61234443216).

The spelling of 50221231011 in words is "fifty billion, two hundred twenty-one million, two hundred thirty-one thousand, eleven".