5552021133121 has 2 divisors, whose sum is σ = 5552021133122. Its totient is φ = 5552021133120.

The previous prime is 5552021133119. The next prime is 5552021133137. The reversal of 5552021133121 is 1213311202555.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5402765628225 + 149255504896 = 2324385^2 + 386336^2 .

It is a cyclic number.

It is not a de Polignac number, because 5552021133121 - 2¹ = 5552021133119 is a prime.

Together with 5552021133119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (5552021133151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2776010566560 + 2776010566561.

It is an arithmetic number, because the mean of its divisors is an integer number (2776010566561).

Almost surely, 2^{5552021133121} is an apocalyptic number.

It is an amenable number.

5552021133121 is a deficient number, since it is larger than the sum of its proper divisors (1).

5552021133121 is an equidigital number, since it uses as much as digits as its factorization.

5552021133121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 5552021133121 its reverse (1213311202555), we get a palindrome (6765332335676).

The spelling of 5552021133121 in words is "five trillion, five hundred fifty-two billion, twenty-one million, one hundred thirty-three thousand, one hundred twenty-one".