221241104104 has 8 divisors (see below), whose sum is σ = 414827070210. Its totient is φ = 110620552048.

The previous prime is 221241104089. The next prime is 221241104111. The reversal of 221241104104 is 401401142122.

It can be written as a sum of positive squares in only one way, i.e., 189574901604 + 31666202500 = 435402^2 + 177950^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×221241104104³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13827568999 + ... + 13827569014.

Almost surely, 2^221241104104 is an apocalyptic number.

It is an amenable number.

221241104104 is a deficient number, since it is larger than the sum of its proper divisors (193585966106).

221241104104 is a wasteful number, since it uses less digits than its factorization.

221241104104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27655138019 (or 27655138015 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 221241104104 its reverse (401401142122), we get a palindrome (622642246226).

The spelling of 221241104104 in words is "two hundred twenty-one billion, two hundred forty-one million, one hundred four thousand, one hundred four".