221210331133 has 8 divisors (see below), whose sum is σ = 254021433120. Its totient is φ = 190516074480.

The previous prime is 221210331103. The next prime is 221210331161. The reversal of 221210331133 is 331133012122.

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 221210331133 - 2⁵ = 221210331101 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 (221210331103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 529211110 + ... + 529211527.

It is an arithmetic number, because the mean of its divisors is an integer number (31752679140).

Almost surely, 2^221210331133 is an apocalyptic number.

It is an amenable number.

221210331133 is a deficient number, since it is larger than the sum of its proper divisors (32811101987).

221210331133 is a wasteful number, since it uses less digits than its factorization.

221210331133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058422667.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 221210331133 its reverse (331133012122), we get a palindrome (552343343255).

The spelling of 221210331133 in words is "two hundred twenty-one billion, two hundred ten million, three hundred thirty-one thousand, one hundred thirty-three".