50210223121 has 4 divisors (see below), whose sum is σ = 50462536000. Its totient is φ = 49957910244.

The previous prime is 50210223103. The next prime is 50210223131. The reversal of 50210223121 is 12132201205.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50210223121 - 2³³ = 41620288529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50210223131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126156141 + ... + 126156538.

It is an arithmetic number, because the mean of its divisors is an integer number (12615634000).

Almost surely, 2^50210223121 is an apocalyptic number.

It is an amenable number.

50210223121 is a deficient number, since it is larger than the sum of its proper divisors (252312879).

50210223121 is a wasteful number, since it uses less digits than its factorization.

50210223121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252312878.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 50210223121 its reverse (12132201205), we get a palindrome (62342424326).

The spelling of 50210223121 in words is "fifty billion, two hundred ten million, two hundred twenty-three thousand, one hundred twenty-one".