50022112021 has 6 divisors (see below), whose sum is σ = 58188987510. Its totient is φ = 42876095976.

The previous prime is 50022111991. The next prime is 50022112037. The reversal of 50022112021 is 12021122005.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 43228231396 + 6793880625 = 207914^2 + 82425^2 .

It is not a de Polignac number, because 50022112021 - 2²³ = 50013723413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50022111986 and 50022112004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50022112121) 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, 510429666 + ... + 510429763.

It is an arithmetic number, because the mean of its divisors is an integer number (9698164585).

Almost surely, 2^50022112021 is an apocalyptic number.

It is an amenable number.

50022112021 is a deficient number, since it is larger than the sum of its proper divisors (8166875489).

50022112021 is a wasteful number, since it uses less digits than its factorization.

50022112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020859443 (or 1020859436 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 16.

Adding to 50022112021 its reverse (12021122005), we get a palindrome (62043234026).

The spelling of 50022112021 in words is "fifty billion, twenty-two million, one hundred twelve thousand, twenty-one".