221130453055 has 8 divisors (see below), whose sum is σ = 266525516592. Its totient is φ = 176125047168.

The previous prime is 221130453017. The next prime is 221130453059. The reversal of 221130453055 is 550354031122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 221130453055 - 2³⁵ = 186770714687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221130453059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97413162 + ... + 97415431.

It is an arithmetic number, because the mean of its divisors is an integer number (33315689574).

Almost surely, 2^221130453055 is an apocalyptic number.

221130453055 is a deficient number, since it is larger than the sum of its proper divisors (45395063537).

221130453055 is a wasteful number, since it uses less digits than its factorization.

221130453055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194828825.

The product of its (nonzero) digits is 18000, while the sum is 31.

Adding to 221130453055 its reverse (550354031122), we get a palindrome (771484484177).

The spelling of 221130453055 in words is "two hundred twenty-one billion, one hundred thirty million, four hundred fifty-three thousand, fifty-five".