221184000053 has 2 divisors, whose sum is σ = 221184000054. Its totient is φ = 221184000052.

The previous prime is 221183999999. The next prime is 221184000067. The reversal of 221184000053 is 350000481122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134969533924 + 86214466129 = 367382^2 + 293623^2 .

It is a cyclic number.

It is not a de Polignac number, because 221184000053 - 2³² = 216889032757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221183999986 and 221184000031.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221184000073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110592000026 + 110592000027.

It is an arithmetic number, because the mean of its divisors is an integer number (110592000027).

Almost surely, 2^221184000053 is an apocalyptic number.

It is an amenable number.

221184000053 is a deficient number, since it is larger than the sum of its proper divisors (1).

221184000053 is an equidigital number, since it uses as much as digits as its factorization.

221184000053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 221184000053 its reverse (350000481122), we get a palindrome (571184481175).

The spelling of 221184000053 in words is "two hundred twenty-one billion, one hundred eighty-four million, fifty-three", and thus it is an aban number.