5055222121 has 2 divisors, whose sum is σ = 5055222122. Its totient is φ = 5055222120.

The previous prime is 5055222103. The next prime is 5055222157. The reversal of 5055222121 is 1212225505.

5055222121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5035321600 + 19900521 = 70960^2 + 4461^2 .

It is a cyclic number.

It is not a de Polignac number, because 5055222121 - 2⁵ = 5055222089 is a prime.

It is not a weakly prime, because it can be changed into another prime (5055202121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2527611060 + 2527611061.

It is an arithmetic number, because the mean of its divisors is an integer number (2527611061).

Almost surely, 2^5055222121 is an apocalyptic number.

It is an amenable number.

5055222121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5055222121 is an equidigital number, since it uses as much as digits as its factorization.

5055222121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 5055222121 is about 71100.0852390488. The cubic root of 5055222121 is about 1716.2481453398.

Adding to 5055222121 its reverse (1212225505), we get a palindrome (6267447626).

The spelling of 5055222121 in words is "five billion, fifty-five million, two hundred twenty-two thousand, one hundred twenty-one".