50950222121 has 2 divisors, whose sum is σ = 50950222122. Its totient is φ = 50950222120.

The previous prime is 50950222069. The next prime is 50950222129. The reversal of 50950222121 is 12122205905.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29092078096 + 21858144025 = 170564^2 + 147845^2 .

It is a cyclic number.

It is not a de Polignac number, because 50950222121 - 2¹⁰ = 50950221097 is a prime.

It is not a weakly prime, because it can be changed into another prime (50950222129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25475111060 + 25475111061.

It is an arithmetic number, because the mean of its divisors is an integer number (25475111061).

Almost surely, 2^50950222121 is an apocalyptic number.

It is an amenable number.

50950222121 is a deficient number, since it is larger than the sum of its proper divisors (1).

50950222121 is an equidigital number, since it uses as much as digits as its factorization.

50950222121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 29.

The spelling of 50950222121 in words is "fifty billion, nine hundred fifty million, two hundred twenty-two thousand, one hundred twenty-one".