50202121 has 2 divisors, whose sum is σ = 50202122. Its totient is φ = 50202120.

The previous prime is 50202107. The next prime is 50202127. The reversal of 50202121 is 12120205.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49070025 + 1132096 = 7005^2 + 1064^2 .

It is a cyclic number.

It is not a de Polignac number, because 50202121 - 2¹⁹ = 49677833 is a prime.

It is not a weakly prime, because it can be changed into another prime (50202127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25101060 + 25101061.

It is an arithmetic number, because the mean of its divisors is an integer number (25101061).

Almost surely, 2^50202121 is an apocalyptic number.

It is an amenable number.

50202121 is a deficient number, since it is larger than the sum of its proper divisors (1).

50202121 is an equidigital number, since it uses as much as digits as its factorization.

50202121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 50202121 is about 7085.3455102768. The cubic root of 50202121 is about 368.8988958787.

Adding to 50202121 its reverse (12120205), we get a palindrome (62322326).

The spelling of 50202121 in words is "fifty million, two hundred two thousand, one hundred twenty-one".