50145112221 has 8 divisors (see below), whose sum is σ = 66912430080. Its totient is φ = 33403934592.

The previous prime is 50145112219. The next prime is 50145112223. The reversal of 50145112221 is 12221154105.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (50145112219) and next prime (50145112223).

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

It is not a de Polignac number, because 50145112221 - 2¹ = 50145112219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50145112191 and 50145112200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50145112223) 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 7 ways as a sum of consecutive naturals, for example, 6530580 + ... + 6538253.

It is an arithmetic number, because the mean of its divisors is an integer number (8364053760).

Almost surely, 2^50145112221 is an apocalyptic number.

It is an amenable number.

50145112221 is a deficient number, since it is larger than the sum of its proper divisors (16767317859).

50145112221 is a wasteful number, since it uses less digits than its factorization.

50145112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13070115.

The product of its (nonzero) digits is 800, while the sum is 24.

Adding to 50145112221 its reverse (12221154105), we get a palindrome (62366266326).

The spelling of 50145112221 in words is "fifty billion, one hundred forty-five million, one hundred twelve thousand, two hundred twenty-one".