221234203555052 has 24 divisors (see below), whose sum is σ = 390990435108000. Its totient is φ = 109523044872576.

The previous prime is 221234203555007. The next prime is 221234203555067. The reversal of 221234203555052 is 250555302432122.

221234203555052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47027927 + ... + 51517902.

It is an arithmetic number, because the mean of its divisors is an integer number (16291268129500).

Almost surely, 2^{221234203555052} is an apocalyptic number.

It is an amenable number.

221234203555052 is a deficient number, since it is larger than the sum of its proper divisors (169756231552948).

221234203555052 is a wasteful number, since it uses less digits than its factorization.

221234203555052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98551385 (or 98551383 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 41.

Adding to 221234203555052 its reverse (250555302432122), we get a palindrome (471789505987174).

The spelling of 221234203555052 in words is "two hundred twenty-one trillion, two hundred thirty-four billion, two hundred three million, five hundred fifty-five thousand, fifty-two".