221010310133 has 8 divisors (see below), whose sum is σ = 236006561280. Its totient is φ = 206505739440.

The previous prime is 221010310123. The next prime is 221010310139. The reversal of 221010310133 is 331013010122.

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 221010310133 - 2⁴ = 221010310117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221010310139) 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, 122919185 + ... + 122920982.

It is an arithmetic number, because the mean of its divisors is an integer number (29500820160).

Almost surely, 2^221010310133 is an apocalyptic number.

It is an amenable number.

221010310133 is a deficient number, since it is larger than the sum of its proper divisors (14996251147).

221010310133 is a wasteful number, since it uses less digits than its factorization.

221010310133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245840227.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 221010310133 its reverse (331013010122), we get a palindrome (552023320255).

The spelling of 221010310133 in words is "two hundred twenty-one billion, ten million, three hundred ten thousand, one hundred thirty-three".