221210404041 has 8 divisors (see below), whose sum is σ = 321760587744. Its totient is φ = 134066911520.

The previous prime is 221210404031. The next prime is 221210404057. The reversal of 221210404041 is 140404012122.

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 221210404041 - 2⁶ = 221210403977 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 221210403999 and 221210404017.

It is not an unprimeable number, because it can be changed into a prime (221210404031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3351672756 + ... + 3351672821.

It is an arithmetic number, because the mean of its divisors is an integer number (40220073468).

Almost surely, 2^221210404041 is an apocalyptic number.

It is an amenable number.

221210404041 is a deficient number, since it is larger than the sum of its proper divisors (100550183703).

221210404041 is a wasteful number, since it uses less digits than its factorization.

221210404041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6703345591.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 221210404041 its reverse (140404012122), we get a palindrome (361614416163).

The spelling of 221210404041 in words is "two hundred twenty-one billion, two hundred ten million, four hundred four thousand, forty-one".