5520221123 has 2 divisors, whose sum is σ = 5520221124. Its totient is φ = 5520221122.

The previous prime is 5520221117. The next prime is 5520221141. The reversal of 5520221123 is 3211220255.

5520221123 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5520221123 is a prime.

It is a super-2 number, since 2×5520221123² = 60945682493630762258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5520221153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2760110561 + 2760110562.

It is an arithmetic number, because the mean of its divisors is an integer number (2760110562).

Almost surely, 2^5520221123 is an apocalyptic number.

5520221123 is a deficient number, since it is larger than the sum of its proper divisors (1).

5520221123 is an equidigital number, since it uses as much as digits as its factorization.

5520221123 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 5520221123 is about 74298.1905768909. The cubic root of 5520221123 is about 1767.3347827859.

Adding to 5520221123 its reverse (3211220255), we get a palindrome (8731441378).

The spelling of 5520221123 in words is "five billion, five hundred twenty million, two hundred twenty-one thousand, one hundred twenty-three".